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0 user currently in Craziness Domain. | 2 guests |
Acmlm's Board - I2 Archive - Craziness Domain - The Prime Number Shitting Bear. | | | |
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Kitten Yiffer Purple wand Furry moderator Vivent l'exp����¯�¿�½������©rience de signalisation d'amusement, ou bien ! Level: 135 Posts: 4327/11162 EXP: 28824106 For next: 510899 Since: 03-15-04 From: Sweden Since last post: 3 hours Last activity: 4 min. |
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Yes mr Obvious... Jesper, it may be a good idea to have a link in your first post explaning what a prime number is. So people don't think it just shits out numbers... |
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Jesper Busy, busy, busy. Level: 69 Posts: 690/2390 EXP: 2856000 For next: 13743 Since: 03-15-04 From: Sweden. Since last post: 176 days Last activity: 79 days |
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Yes mr Obvious. Originally posted by Wikipedia/PrimeThere. |
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Ran-chan Moldorm eek, when are they going to stop growing... Level: 143 Posts: 2838/12781 EXP: 35293588 For next: 538220 Since: 03-15-04 From: Nerima District, Tokyo - Japan Since last post: 12 hours Last activity: 12 hours |
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That bear is shitting numbers over 50k now... And it | |||
DarkSlaya POOOOOOOOOOOORN! Level: 88 Posts: 1597/4249 EXP: 6409254 For next: 241410 Since: 05-16-04 From: Montreal, Quebec, Canada Since last post: 8 hours Last activity: 5 hours |
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Originally posted by Kitten Yiffer It thought everyone knew what it is. |
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Alastor the Stylish Hey! I made a cool game! It's called "I poisoned half the food, so if you eat you might die!" Have a taco. Level: 114 Posts: 1994/7620 EXP: 16258468 For next: 51099 Since: 03-15-04 From: Oregon, US Since last post: 2 hours Last activity: 2 hours |
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Originally posted by KeikoniumPerfect number, Keik. Not prime. How the hell could 2^(anything) be a prime number, anyway? THINK. (edited by Kratos Aurion on 08-24-04 05:13 PM) |
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Iggy Koopa Red Cheep-cheep Level: 24 Posts: 156/214 EXP: 76441 For next: 1684 Since: 03-16-04 Since last post: 66 days Last activity: 12 days |
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He probably meant something like 213,466,917-1. | |||
Alastor the Stylish Hey! I made a cool game! It's called "I poisoned half the food, so if you eat you might die!" Have a taco. Level: 114 Posts: 1996/7620 EXP: 16258468 For next: 51099 Since: 03-15-04 From: Oregon, US Since last post: 2 hours Last activity: 2 hours |
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Yeah, that or he misread it and thought perfect numbers and prime numbers are the same thing. | |||
Kitten Yiffer Purple wand Furry moderator Vivent l'exp����¯�¿�½������©rience de signalisation d'amusement, ou bien ! Level: 135 Posts: 4344/11162 EXP: 28824106 For next: 510899 Since: 03-15-04 From: Sweden Since last post: 3 hours Last activity: 4 min. |
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Originally posted by CervantesNot everyone have gone through it in school. Belive me I didn't. And I hadn't yet any usage of it yet... but I will soon. I'm going to program a encryption program in Java, and prime numbers are excellent for this.Originally posted by Kitten YifferIt thought everyone knew what it is. Thought I did go and learn it myself in my free time. |
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Ran-chan Moldorm eek, when are they going to stop growing... Level: 143 Posts: 2843/12781 EXP: 35293588 For next: 538220 Since: 03-15-04 From: Nerima District, Tokyo - Japan Since last post: 12 hours Last activity: 12 hours |
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I don | |||
Jesper Busy, busy, busy. Level: 69 Posts: 712/2390 EXP: 2856000 For next: 13743 Since: 03-15-04 From: Sweden. Since last post: 176 days Last activity: 79 days |
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Originally posted by Millenium Neko |
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Kitten Yiffer Purple wand Furry moderator Vivent l'exp����¯�¿�½������©rience de signalisation d'amusement, ou bien ! Level: 135 Posts: 4368/11162 EXP: 28824106 For next: 510899 Since: 03-15-04 From: Sweden Since last post: 3 hours Last activity: 4 min. |
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And eh... what is the world record on this thing? Someone probably is having it shitting out very high prime numbers. | |||
Jesper Busy, busy, busy. Level: 69 Posts: 714/2390 EXP: 2856000 For next: 13743 Since: 03-15-04 From: Sweden. Since last post: 176 days Last activity: 79 days |
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A little something on math in computers. I wrote a program to print out part of the Fibonacci Series (1, 1, 2, 3, 5, 8, 13 ..). It does this for one second - starts from zero and just keeps adding. Here's the last number I got as input, wrapped to several rows: 26637621554905847147445327024884692677216120154526185436197037882845643156074699 43344237043693130233304905200447562782261773884306636499798536671691165896583039 63127820235074833946229486404312543803870603216914103527972905704641956818924173 57505052308527864375303364806192475684362384914297208276078316893839326854560802 04223109674406632518730277035738564502181303411468303865349856165762711836705254 50568954267657238276615349042962977512648739985071369013962082365905836153 That number has 475 digits! Ofcourse, generating a prime is much slower since division is harder on the CPU than basic addition, but I think this proves my point anyway. Computers can do math insanely fast. (Here's the source code of my program, adapted from another Wikipedia page. It's written in Perl.) #! /usr/bin/perl use bigint; my ($a, $b) = (0, 1); my $f = time; for (;; if (time < $f + 2) { print("$a\n"); ($a, $b) = ($b, $a+$b); } else { die; } } (edited by Jesper on 08-25-04 06:21 PM) |
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Kitten Yiffer Purple wand Furry moderator Vivent l'exp����¯�¿�½������©rience de signalisation d'amusement, ou bien ! Level: 135 Posts: 4373/11162 EXP: 28824106 For next: 510899 Since: 03-15-04 From: Sweden Since last post: 3 hours Last activity: 4 min. |
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I'm so going to make a similar program... but in Java. Yeah that program works quite well, it generated alot of prime numbers and very fast. Just then crash for some reason. |
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Ran-chan Moldorm eek, when are they going to stop growing... Level: 143 Posts: 2870/12781 EXP: 35293588 For next: 538220 Since: 03-15-04 From: Nerima District, Tokyo - Japan Since last post: 12 hours Last activity: 12 hours |
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Originally posted by JesperOriginally posted by Millenium Neko |
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Jesper Busy, busy, busy. Level: 69 Posts: 718/2390 EXP: 2856000 For next: 13743 Since: 03-15-04 From: Sweden. Since last post: 176 days Last activity: 79 days |
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Originally posted by Kitten YifferYeah, it dies after one second. That's the purpose, to figure out how high it can go for one second. Again, that program did not generate primes exclusively, just numbers in the Fibonacci Series. |
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