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
56742281TF
No factors below 274
TF target 273
P-1
B1 = 595000
B2 = 12643750
LL
StatusDateUserResidueShift
Verified2012-06-02Amazon EC29546EA78EFFDE81A20739535
Verified2021-07-07Igor_V_Sharov9546EA78EFFDE81A6193179
History
DateUserTypeResult
2021-07-07Igor_V_SharovC-LL
9546EA78EFFDE81A
2018-10-02linamentNF
no factor from 2^73 to 2^74
2016-02-23Mark RoseNF
no factor from 2^61 to 2^63
2016-01-22-Anonymous-NF
no factor from 2^72 to 2^73
2015-11-23LaurVNF
no factor from 2^71 to 2^72
2012-06-02Amazon EC2C-LL
9546EA78EFFDE81A
2012-04-26Jwb52zNF-PM1
B1=595000, B2=12643750
2012-02-05ANONYMOUSNF
no factor from 2^70 to 2^71
2011-06-29tmorrowNF
no factor from 2^69 to 2^70
2011-04-19-Anonymous-NF
no factor from 2^68 to 2^69
2009-05-22alan145NF
no factor from 2^67 to 2^68
2008-08-10Sturle SundeNF
no factor from 2^66 to 2^67
2008-08-09Sturle SundeNF
no factor from 2^65 to 2^66
2008-08-09Sturle SundeNF
no factor from 2^64 to 2^65
2008-08-08Sturle SundeNF
no factor from 2^63 to 2^64