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
60914681Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 274
TF target 273
P-1
B1 = 580000
B2 = 11890000
LL
StatusDateUserResidueShift
Verified2014-08-24Guido Lorenzini651FF70B4AA667D112400502
Verified2022-05-21tottenhoff651FF70B4AA667D122048929
History
DateUserTypeResult
2022-05-21tottenhoffC-LL
651FF70B4AA667D1
2016-02-23Mark RoseNF
no factor from 2^60 to 2^63
2014-08-24Guido LorenziniC-LL
651FF70B4AA667D1
2013-06-27The MawnNF
no factor from 2^73 to 2^74
2013-04-14TheJudgerNF-PM1
B1=580000, B2=11890000, E=12
2013-01-14ktonyNF
no factor from 2^71 to 2^73
2011-10-30TheJudgerNF
no factor from 2^69 to 2^71
2009-11-04-Anonymous-NF
no factor from 2^68 to 2^69
2009-02-07-Anonymous-NF
no factor from 2^67 to 2^68
2009-02-05tbw1hNF
no factor from 2^66 to 2^67
2009-01-29Sturle SundeNF
no factor from 2^65 to 2^66
2009-01-28e_lion_1NF
no factor from 2^64 to 2^65
2009-01-27e_lion_1NF
no factor from 2^63 to 2^64