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The New Coffee Room

  1. TNCR
  2. General Discussion
  3. Not to brag or anything …

Not to brag or anything …

Scheduled Pinned Locked Moved General Discussion
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  • J jon-nyc
    21 Oct 2024, 13:54

    But I always suspected it was prime.

    T Offline
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    taiwan_girl
    wrote on 21 Oct 2024, 15:41 last edited by
    #2

    @jon-nyc 555

    I actually suspected it was 2^136279841 -2 was the largest prime. Oh well!!

    1 Reply Last reply
    • M Offline
      M Offline
      Mik
      wrote on 21 Oct 2024, 16:01 last edited by
      #3

      Calculating prime is easy. Wrote a program to do that in programming school.

      “I am fond of pigs. Dogs look up to us. Cats look down on us. Pigs treat us as equals.” ~Winston S. Churchill

      1 Reply Last reply
      • J Offline
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        jon-nyc
        wrote on 21 Oct 2024, 16:26 last edited by
        #4

        Good luck using your program on a number with over 41,000,000 digits.

        Only non-witches get due process.

        • Cotton Mather, Salem Massachusetts, 1692
        T 1 Reply Last reply 21 Oct 2024, 20:55
        • B Offline
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          bachophile
          wrote on 21 Oct 2024, 19:34 last edited by
          #5

          41,000,000 is chicken feed when compared to infinity.

          T 1 Reply Last reply 22 Oct 2024, 00:51
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            LuFins Dad
            wrote on 21 Oct 2024, 19:36 last edited by
            #6

            I thought the GIMPS program was used for something else, entirely.

            The Brad

            1 Reply Last reply
            • K Offline
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              Klaus
              wrote on 21 Oct 2024, 20:08 last edited by
              #7

              It is prime only because Chuck Norris decided that it is.

              M 1 Reply Last reply 21 Oct 2024, 20:11
              • K Klaus
                21 Oct 2024, 20:08

                It is prime only because Chuck Norris decided that it is.

                M Offline
                M Offline
                Mik
                wrote on 21 Oct 2024, 20:11 last edited by
                #8

                @Klaus 😆

                “I am fond of pigs. Dogs look up to us. Cats look down on us. Pigs treat us as equals.” ~Winston S. Churchill

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                • J jon-nyc
                  21 Oct 2024, 16:26

                  Good luck using your program on a number with over 41,000,000 digits.

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                  T Offline
                  Tom-K
                  wrote on 21 Oct 2024, 20:55 last edited by
                  #9

                  @jon-nyc said in Not to brag or anything …:

                  Good luck using your program on a number with over 41,000,000 digits.

                  I do it with my program at least twice daily. Once I got it up to 328,000,000 digits. But I forgot to write the number down. 😞

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                  • B bachophile
                    21 Oct 2024, 19:34

                    41,000,000 is chicken feed when compared to infinity.

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                    taiwan_girl
                    wrote on 22 Oct 2024, 00:51 last edited by
                    #10

                    @bachophile said in Not to brag or anything …:

                    when compared to infinity.

                    what is infinity +1? 🤔

                    J K 2 Replies Last reply 22 Oct 2024, 15:53
                    • 8 Offline
                      8 Offline
                      89th
                      wrote on 22 Oct 2024, 13:14 last edited by
                      #11

                      I bet in 100 years this will be like discovering 1+1=2. With quantum computing, such calculations should be nearly immediate. Then again maybe my expectations are too high. I'm also expecting within 20 years that AI will be able to accurately translate bird sounds into words. (no kidding)

                      T K 2 Replies Last reply 22 Oct 2024, 13:29
                      • 8 89th
                        22 Oct 2024, 13:14

                        I bet in 100 years this will be like discovering 1+1=2. With quantum computing, such calculations should be nearly immediate. Then again maybe my expectations are too high. I'm also expecting within 20 years that AI will be able to accurately translate bird sounds into words. (no kidding)

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                        taiwan_girl
                        wrote on 22 Oct 2024, 13:29 last edited by
                        #12

                        @89th said in Not to brag or anything …:

                        I'm also expecting within 20 years that AI will be able to accurately translate bird sounds into words. (no kidding)

                        I had a friend who did some work translating Chinese TV/movies, etc into English captions for Netflix. That has decreased quite a bit.

                        I used to do real time translation but I also see that will decrease in the future.

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                        • 8 89th
                          22 Oct 2024, 13:14

                          I bet in 100 years this will be like discovering 1+1=2. With quantum computing, such calculations should be nearly immediate. Then again maybe my expectations are too high. I'm also expecting within 20 years that AI will be able to accurately translate bird sounds into words. (no kidding)

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                          Klaus
                          wrote on 22 Oct 2024, 14:39 last edited by
                          #13

                          @89th said in Not to brag or anything …:

                          With quantum computing, such calculations should be nearly immediate.

                          Nope.

                          Quantum computing, even if it ever works, won't help with finding larger primes.

                          Only some very specific problems are theoretically sped up by quantum computers.

                          1 Reply Last reply
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                            Mik
                            wrote on 22 Oct 2024, 14:51 last edited by
                            #14

                            Yeah, computing primes is just a matter of dividing by all the possibilities and seeing if there is a remainder. And of course computers do not actually divide, they subtract a given number of times.

                            “I am fond of pigs. Dogs look up to us. Cats look down on us. Pigs treat us as equals.” ~Winston S. Churchill

                            8 K 2 Replies Last reply 22 Oct 2024, 16:33
                            • D Offline
                              D Offline
                              Doctor Phibes
                              wrote on 22 Oct 2024, 15:47 last edited by
                              #15

                              In 20 years we won’t be allowed to look for primes because of the fear of upsetting all the other numbers

                              I was only joking

                              1 Reply Last reply
                              • T taiwan_girl
                                22 Oct 2024, 00:51

                                @bachophile said in Not to brag or anything …:

                                when compared to infinity.

                                what is infinity +1? 🤔

                                J Offline
                                J Offline
                                jon-nyc
                                wrote on 22 Oct 2024, 15:53 last edited by
                                #16

                                @taiwan_girl said in Not to brag or anything …:

                                @bachophile said in Not to brag or anything …:

                                when compared to infinity.

                                what is infinity +1? 🤔

                                Only non-witches get due process.

                                • Cotton Mather, Salem Massachusetts, 1692
                                1 Reply Last reply
                                • M Mik
                                  22 Oct 2024, 14:51

                                  Yeah, computing primes is just a matter of dividing by all the possibilities and seeing if there is a remainder. And of course computers do not actually divide, they subtract a given number of times.

                                  8 Offline
                                  8 Offline
                                  89th
                                  wrote on 22 Oct 2024, 16:33 last edited by
                                  #17

                                  @Mik said in Not to brag or anything …:

                                  Yeah, computing primes is just a matter of dividing by all the possibilities and seeing if there is a remainder. And of course computers do not actually divide, they subtract a given number of times.

                                  You and @Klaus definitely know more than me about primes!

                                  1 Reply Last reply
                                  • M Mik
                                    22 Oct 2024, 14:51

                                    Yeah, computing primes is just a matter of dividing by all the possibilities and seeing if there is a remainder. And of course computers do not actually divide, they subtract a given number of times.

                                    K Offline
                                    K Offline
                                    Klaus
                                    wrote on 22 Oct 2024, 17:24 last edited by
                                    #18

                                    @Mik said in Not to brag or anything …:

                                    And of course computers do not actually divide, they subtract a given number of times.

                                    No, that would be way too slow. There are many many algorithms for efficient division of integer numbers, such as the Karatsuba algorithm or Newton-Raphson Division.

                                    1 Reply Last reply
                                    • T taiwan_girl
                                      22 Oct 2024, 00:51

                                      @bachophile said in Not to brag or anything …:

                                      when compared to infinity.

                                      what is infinity +1? 🤔

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                                      Klaus
                                      wrote on 22 Oct 2024, 17:28 last edited by
                                      #19

                                      @taiwan_girl said in Not to brag or anything …:

                                      @bachophile said in Not to brag or anything …:

                                      when compared to infinity.

                                      what is infinity +1? 🤔

                                      If you view numbers as ordinals, infinity + 1 is just yet another ordinal, and it is greater than infinity and smaller than infinity + 2.

                                      1 Reply Last reply
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                                        Axtremus
                                        wrote on 22 Oct 2024, 17:35 last edited by
                                        #20

                                        And if you really, really, really want to do integer division with quantum computing:

                                        https://www.osti.gov/servlets/purl/1432167

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