Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
56379847TF
No factors below 274
TF target 273
P-1
B1 = 520000
B2 = 9880000
LL
StatusDateUserResidueShift
Verified2013-04-09xiaoqiBFECAECD60F6C55B5187856
Verified2020-12-28Smok_bmv BFECAECD60F6C55B22044828
History
DateUserTypeResult
2020-12-28Smok_bmv C-LL
BFECAECD60F6C55B
2018-09-07ChuckNF
no factor from 2^73 to 2^74
2016-02-23Mark RoseNF
no factor from 2^58 to 2^63
2013-04-09xiaoqiC-LL
BFECAECD60F6C55B
2012-10-13garoNF-PM1
B1=520000, B2=9880000
2012-10-03kdgehmanNF
no factor from 2^72 to 2^73
2012-07-30BdotNF
no factor from 2^71 to 2^72
2011-10-03Per JessenNF
no factor from 2^70 to 2^71
2011-06-26XyzzyNF
no factor from 2^69 to 2^70
2011-04-15Rinaldo OlffNF
no factor from 2^68 to 2^69
2009-12-14Jose Arnaldo Bebita DrisNF
no factor from 2^67 to 2^68
2008-07-23Sturle SundeNF
no factor from 2^66 to 2^67
2008-07-22Sturle SundeNF
no factor from 2^65 to 2^66
2008-07-22Sturle SundeNF
no factor from 2^64 to 2^65
2008-07-21James HeinrichNF
no factor from 2^63 to 2^64