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
59728787TF
No factors below 274
TF target 273
P-1
B1 = 555000
B2 = 10406250
LL
StatusDateUserResidueShift
Verified2013-02-04ixfd64C3C7E940633F309244117792
Verified2021-11-03Andrew GC3C7E940633F30927627395
History
DateUserTypeResult
2021-11-03Andrew GC-LL
C3C7E940633F3092
2019-02-10TheJudgerNF
no factor from 2^73 to 2^74
2016-02-23Mark RoseNF
no factor from 2^56 to 2^64
2013-02-04ixfd64C-LL
C3C7E940633F3092
2012-12-18rx7350NF-PM1
B1=555000, B2=10406250
2012-10-29Jerry HallettNF
no factor from 2^71 to 2^73
2011-11-09ITSNF
no factor from 2^70 to 2^71
2011-06-29GrunwalderGIMPNF
no factor from 2^69 to 2^70
2009-12-30Kelly LowderNF
no factor from 2^68 to 2^69
2009-01-19southafricaNF
no factor from 2^67 to 2^68
2009-01-17southafricaNF
no factor from 2^66 to 2^67
2008-11-23searchingforprimesNF
no factor from 2^65 to 2^66
2008-11-17Sturle SundeNF
no factor from 2^64 to 2^65