Marin Mersenne 2^P-1
Username
Password
Forgot password?
Blue
Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
52222747TF
No factors below 273
TF target 273
P-1
B1 = 620000
B2 = 18290000
LL
StatusDateUserResidueShift
Bad2012-08-22-Anonymous-00000000000000000
Verified2012-08-22-Anonymous-E7A515C9CCBEDE3A43730247
Verified2014-11-09MadPooE7A515C9CCBEDE3A24018297
History
DateUserTypeResult
2015-12-17monstNF
no factor from 2^72 to 2^73
2014-11-09MadPooC-LL
E7A515C9CCBEDE3A
2012-08-22-Anonymous-C-LL
E7A515C9CCBEDE3A
2012-08-22-Anonymous-P-LL
M52222747 is prime!
2012-02-07rduerrNF
no factor from 2^70 to 2^72
2011-12-16Kyle AskineNF
no factor from 2^69 to 2^70
2010-08-03Simon W.NF
no factor from 2^68 to 2^69
2010-06-23David HruskaNF-PM1
B1=620000, B2=18290000
2009-04-18Sturle SundeNF
no factor from 2^67 to 2^68
2008-12-07sasaki3NF
no factor from 2^66 to 2^67
2008-12-06Sturle SundeNF
no factor from 2^65 to 2^66
2008-12-06Sturle SundeNF
no factor from 2^64 to 2^65
2008-10-11-Anonymous-NF
no factor to 2^64