You just might be addicted to GIMPS if... - Page 50

jinydu · 2006-08-06, 06:47

... you have tested the overclocking limits of all your CPUs so carefully that if one of the clock speeds is increased by 1 Hz, the CPU burns.

Mini-Geek · 2006-08-15, 13:15

Quote:

Originally Posted by edorajh

... you start dancing and screaming when you find out that your new phone number is prime.

If after reading this, you check if your phone number is prime and start dancing and screaming. (

mine is!

)

jinydu · 2006-08-16, 03:17

... your neighbors are perplexed by all the boiled helium rising above the building where you keep your farm.

Siemelink · 2006-08-17, 09:57

... you have rewritten Prime95 to get rid of all options, including the save dumps, to make the program run quicker.

Willem

jinydu · 2006-09-17, 09:06

... whenever you upgrade your farm, a major traffic jam occurs near your home caused by a vast number of delivery trucks trying to reach it simultaneously.

Andi47 · 2006-09-17, 10:14

Quote:

Originally Posted by edorajh

... you make a post in a thread just because it will be a prime number post in thread

(guilty - this is post #541 in this thread, and 541 is a prime!)

You hate the moderator, because he has deleted some older postings, and thus your posting # is no longer prime.

StarQwest · 2006-09-19, 12:58

There is something very special about the following mersenne primes:

2^5-1 (3rd Mersenne Prime- 2 digits)
2^7-1 (4th Mersenne Prime- 3 digits)
2^61-1 (9th Mersenne Prime- 19 digits)
2^521-1 (13th Mersenne Prime- 157 digits)
2^9689-1 (21st Mersenne Prime- 2,917 digits)

These primes also have a prime number of digits!!!

There is also something special about these mersenne primes as well:

2^23,209-1 (26th Mersenne Prime- Discovered in 1979)
2^44,497-1 (27th Mersenne Prime- Discovered in 1979)
2^2,976,221-1 (36th Mersenne Prime- Discovered in 1997)
2^6,972,593-1 (38th Mersenne Prime- Discovered in 1999)
2^20,996,011-1 (40th Mersenne Prime- Discovered in 2003)

These primes were discovered in a year that is prime!!!
(Source: http://www.isthe.com/chongo/tech/mat.../mersenne.html)

Unfortunately, there is no known mersenne prime that has a prime number of digits AND was discovered in a prime year. Not to mention that the last prime to have a prime number of digits was M21 in 1963. The next prime year is 2011, so lets find a prime then that also has a prime number of digits!

jinydu · 2006-09-19, 14:12

... you keep a record of which Mersenne primes have a prime number of digits and were discovered in a prime-numbered year.

StarQwest · 2006-09-19, 17:18

Quote:

Originally Posted by jinydu

... you keep a record of which Mersenne primes have a prime number of digits and were discovered in a prime-numbered year.

That's RIGHT!

P.S. Hey jinydu, you forgot to mention that your post number is 547, and 547 is prime! lol.

Damian · 2006-09-19, 19:16

You are sad because 2^31890823 - 1 is not prime

Damian · 2006-09-21, 12:32

241 divides my phone number

2006-08-06, 06:47	#540
jinydu Dec 2003 Hopefully Near M48 6DE₁₆ Posts	... you have tested the overclocking limits of all your CPUs so carefully that if one of the clock speeds is increased by 1 Hz, the CPU burns. Last fiddled with by jinydu on 2006-08-06 at 06:48

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2006-08-16, 03:17	#542
jinydu Dec 2003 Hopefully Near M48 2·3·293 Posts	... your neighbors are perplexed by all the boiled helium rising above the building where you keep your farm.

2006-08-17, 09:57	#543
Siemelink Jan 2006 Hungary 414₈ Posts	... you have rewritten Prime95 to get rid of all options, including the save dumps, to make the program run quicker. Willem

2006-09-17, 09:06	#544
jinydu Dec 2003 Hopefully Near M48 6DE₁₆ Posts	... whenever you upgrade your farm, a major traffic jam occurs near your home caused by a vast number of delivery trucks trying to reach it simultaneously.

2006-09-19, 12:58	#546
StarQwest Jan 2006 Tampa, Florida 2·97 Posts	There is something very special about the following mersenne primes: 2^5-1 (3rd Mersenne Prime- 2 digits) 2^7-1 (4th Mersenne Prime- 3 digits) 2^61-1 (9th Mersenne Prime- 19 digits) 2^521-1 (13th Mersenne Prime- 157 digits) 2^9689-1 (21st Mersenne Prime- 2,917 digits) These primes also have a prime number of digits!!! There is also something special about these mersenne primes as well: 2^23,209-1 (26th Mersenne Prime- Discovered in 1979) 2^44,497-1 (27th Mersenne Prime- Discovered in 1979) 2^2,976,221-1 (36th Mersenne Prime- Discovered in 1997) 2^6,972,593-1 (38th Mersenne Prime- Discovered in 1999) 2^20,996,011-1 (40th Mersenne Prime- Discovered in 2003) These primes were discovered in a year that is prime!!! (Source: http://www.isthe.com/chongo/tech/mat.../mersenne.html) Unfortunately, there is no known mersenne prime that has a prime number of digits AND was discovered in a prime year. Not to mention that the last prime to have a prime number of digits was M21 in 1963. The next prime year is 2011, so lets find a prime then that also has a prime number of digits!

2006-09-19, 14:12	#547
jinydu Dec 2003 Hopefully Near M48 6DE₁₆ Posts	... you keep a record of which Mersenne primes have a prime number of digits and were discovered in a prime-numbered year.

2006-09-19, 19:16	#549
Damian May 2005 Argentina 272₈ Posts	You are sad because 2^31890823 - 1 is not prime

2006-09-21, 12:32	#550
Damian May 2005 Argentina 2·3·31 Posts	241 divides my phone number