mersenneforum.org Search Results
 Register FAQ Search Today's Posts Mark Forums Read

 Showing results 1 to 25 of 139 Search took 0.03 seconds. Search: Posts Made By: marc
 Forum: Math 2006-02-07, 00:20 Replies: 10 Views: 3,353 Posted By marc For a power of a prime f(p**n) = n+1 and f is... For a power of a prime f(p**n) = n+1 and f is multiplicative. Easy peasy.
 Forum: Hobbies 2006-01-23, 21:49 Replies: 31 Views: 4,126 Posted By marc http://en.wikipedia.org/wiki/Martingale_%28roulett... http://en.wikipedia.org/wiki/Martingale_%28roulette_system%29 Also according to http://en.wikipedia.org/wiki/Blackjack#Basic_strategy the best you can hope for is a house advantage of 0.16% but...
 Forum: Lone Mersenne Hunters 2006-01-17, 22:50 Replies: 4 Views: 883 Posted By marc Really done now. No more factors. Really done now. No more factors.
 Forum: Lone Mersenne Hunters 2006-01-17, 17:47 Replies: 4 Views: 883 Posted By marc Strange... [Wed Dec 14 10:03:35 2005] UID:... Strange... [Wed Dec 14 10:03:35 2005] UID: mldl/hex, M62852191 no factor to 2^62, Wc2: 5B57A247 UID: mldl/hex, M62852243 no factor to 2^62, Wc2: 5B52A244 [Wed Dec 14 10:12:28 2005] UID:...
 Forum: Lone Mersenne Hunters 2006-01-06, 15:32 Replies: 4 Views: 883 Posted By marc Done. 200 factors found. Done. 200 factors found.
 Forum: Lone Mersenne Hunters 2005-11-21, 21:41 Replies: 1 Views: 575 Posted By marc Done. 143 factors Done. 143 factors
 Forum: Lone Mersenne Hunters 2005-11-14, 02:04 Replies: 4 Views: 883 Posted By marc 62.5 - 63 to 2^62 12225 exponents
 Forum: Programming 2005-10-30, 00:27 Replies: 7 Views: 8,074 Posted By marc It doesn't exactly relate to the programming but... It doesn't exactly relate to the programming but there's a closed expression for this. If a is your initial investment then a * r^n is equal to the value of your investment after t years. so ar^n...
 Forum: Programming 2005-10-29, 04:12 Replies: 7 Views: 8,074 Posted By marc I love python. What do you need help with? I love python. What do you need help with?
 Forum: Lone Mersenne Hunters 2005-10-12, 18:08 Replies: 4 Views: 820 Posted By marc Done... 216 factors Done... 216 factors
 Forum: Lone Mersenne Hunters 2005-10-12, 14:58 Replies: 1 Views: 575 Posted By marc 63.5-63.9 to 2^62 9968 exponents
 Forum: Programming 2005-09-23, 04:52 Replies: 18 Views: 4,111 Posted By marc It's not a proof but instead of checking if any... It's not a proof but instead of checking if any number has the right property, look for numbers which multiply to give numbers with the property. Some python code... def fujiwara(n): for...
 Forum: Software 2005-09-19, 04:25 Replies: 8 Views: 1,512 Posted By marc Well it goes up and down with the weather/the... Well it goes up and down with the weather/the time since the last prime/time of year/whatever else. A gain of 4 teraflops says that the general trend is up. Seems a good thing to me.
 Forum: Software 2005-09-18, 16:38 Replies: 8 Views: 1,512 Posted By marc I guess that page isn't really updated. You... I guess that page isn't really updated. You can check http://mersenne.org/primenet/summary.txt which is updated every hour and suggests that we've gained 4 teraflops. Go us!
 Forum: Programming 2005-09-04, 22:28 Replies: 3 Views: 829 Posted By marc http://swiss.csail.mit.edu/classes/6.001/abelson-s... http://swiss.csail.mit.edu/classes/6.001/abelson-sussman-lectures/ You can even attend the lectures as you go along...
 Forum: mersennewiki 2005-09-04, 14:02 Replies: 87 Sticky: Mersennewiki? Views: 38,760 Posted By marc Just ask Xyzzy to install mediawiki on the server... Just ask Xyzzy to install mediawiki on the server that runs this forum. The whole point of a wiki is no one person has to compile anything. We all just write the best things we can come up with and...
 Forum: Lone Mersenne Hunters 2005-09-01, 01:03 Replies: 4 Views: 820 Posted By marc Bah. I don't know what I did. I'm doing 66.5... Bah. I don't know what I did. I'm doing 66.5 to 67. I have no idea how I could mess so many of the digits around. Should I start a new topic or not?
 Forum: Lone Mersenne Hunters 2005-08-31, 20:20 Replies: 4 Views: 820 Posted By marc 66.5-67M to 2^62 12381 exponents
 Forum: Lone Mersenne Hunters 2005-08-29, 18:06 Replies: 1 Views: 586 Posted By marc Done. 36 factors. Done. 36 factors.
 Forum: Homework Help 2005-08-21, 20:14 Replies: 36 Views: 119,277 Posted By marc The c sounds like "member of". See... The c sounds like "member of". See http://en.wikipedia.org/wiki/Member The second sounds like sigma which would mean "sum of". See http://en.wikipedia.org/wiki/Sigma
 Forum: Lone Mersenne Hunters 2005-08-17, 02:53 Replies: 1 Views: 455 Posted By marc Done. 68 factors. Done. 68 factors.
 Forum: Lone Mersenne Hunters 2005-08-11, 18:40 Replies: 1 Views: 586 Posted By marc 39-39.1M to 2^62 Since there are no more 60 bit assignments left I'll take these. 2456 exponents.
 Forum: Lone Mersenne Hunters 2005-07-18, 18:03 Replies: 60 Views: 7,500 Posted By marc Just fwiw. With 17th July file I get: ... Just fwiw. With 17th July file I get: 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 33000000 0 4291 1258 0 ...
 Forum: Math 2005-07-10, 17:03 Replies: 18 Views: 2,818 Posted By marc y = a^x digits in base 10 is floor(log10(y))... y = a^x digits in base 10 is floor(log10(y)) + 1 log10(a^x) = x*log10(a) so floor(x*log10(a)) + 1
 Forum: PrimeNet 2005-07-07, 11:28 Replies: 11 Views: 1,609 Posted By marc Just run 2 copies of prime95/mprime. If you leave... Just run 2 copies of prime95/mprime. If you leave them to run themselves then they'll automatically pick up the best work.
 Showing results 1 to 25 of 139

All times are UTC. The time now is 22:41.

Fri May 20 22:41:42 UTC 2022 up 36 days, 20:43, 0 users, load averages: 1.32, 1.14, 1.16