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Search: Posts Made By: shanecruise
Forum: Riesel Prime Search 2013-04-03, 08:23
Replies: 1,944
Views: 161,414
Posted By shanecruise
reporting primes after a long time :) 285 *...

reporting primes after a long time :)

285 * 2 ^ 1563167 - 1 (470563 digits)
285 * 2 ^ 1565353 - 1 (471221 digits)
Forum: Riesel Prime Search 2012-08-18, 20:01
Replies: 1,944
Views: 161,414
Posted By shanecruise
:beer: perfect

:beer: perfect
Forum: Riesel Prime Search 2012-08-18, 09:45
Replies: 1,944
Views: 161,414
Posted By shanecruise
if 6.67 is the probability of one prime in a file...

if 6.67 is the probability of one prime in a file then 1:6.67^3 is probability of finding 1 prime in each of 3 consecutive files.
Forum: Riesel Prime Search 2012-08-18, 08:38
Replies: 1,944
Views: 161,414
Posted By shanecruise
Sir are you saying using bernauli trials ...

Sir are you saying
using bernauli trials

suppose Pr[number(n) tested is prime]=x
then in a file of 1400 numbers having exactly three primes is P(3)=C(1400,3)*x^3*(1-x)^(1400-3)

or if we...
Forum: Riesel Prime Search 2012-08-18, 04:15
Replies: 1,944
Views: 161,414
Posted By shanecruise
Talking 5445*2^1080331-1 (325216 digits) @kosmaj :...

5445*2^1080331-1 (325216 digits)

@kosmaj : sir what are the odds of getting 3 in a single file and counting ;)
Forum: Riesel Prime Search 2012-08-17, 00:45
Replies: 1,944
Views: 161,414
Posted By shanecruise
oh there's more 5355*2^1080645-1 (325311...

oh there's more
5355*2^1080645-1 (325311 digits)
Forum: Riesel Prime Search 2012-08-17, 00:41
Replies: 1,944
Views: 161,414
Posted By shanecruise
6555*2^1080139-1 8th drive 325159 digits

6555*2^1080139-1 8th drive
325159 digits
Forum: Riesel Prime Search 2012-08-09, 09:40
Replies: 1,944
Views: 161,414
Posted By shanecruise
5535 * 2^1070892 - 1 from 8th drive

5535 * 2^1070892 - 1
from 8th drive
Forum: Riesel Prime Search 2012-07-17, 00:52
Replies: 1,944
Views: 161,414
Posted By shanecruise
6555 · 2^1068902 - 1 (321776 digits) My...

6555 · 2^1068902 - 1 (321776 digits)

My first prime :)
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