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
62760227TF
No factors below 275
TF target 274
P-1
B1 = 590000
B2 = 10620000
LL
StatusDateUserResidueShift
Verified2015-08-05Michael Spettel4C61B2BB6411A64742422060
Verified2023-02-15irowiki4C61B2BB6411A64750522245
History
DateUserTypeResult
2023-02-15irowikiC-LL
4C61B2BB6411A647
2022-12-22La GüiraNF
no factor from 2^74 to 2^75
2016-02-23Mark RoseNF
no factor from 2^59 to 2^63
2015-08-05Michael SpettelC-LL
4C61B2BB6411A647
2013-10-18ChuckNF
no factor from 2^73 to 2^74
2013-08-20TheJudgerNF-PM1
B1=590000, B2=10620000
2013-04-07kdgehmanNF
no factor from 2^72 to 2^73
2013-04-07kdgehmanNF
no factor from 2^71 to 2^72
2013-04-01LaurVNF
no factor from 2^70 to 2^71
2011-12-11S00030NF
no factor from 2^69 to 2^70
2009-10-19raymondfNF
no factor from 2^68 to 2^69
2009-10-13raymondfNF
no factor from 2^67 to 2^68
2009-10-10raymondfNF
no factor from 2^66 to 2^67
2009-03-10PedroNF
no factor from 2^65 to 2^66
2009-02-27SAHS Math DeptNF
no factor from 2^64 to 2^65
2009-02-01Wojciech FlorekNF
no factor from 2^63 to 2^64