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

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Exponent Range:










MnStatusDetails
63483911Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 275
TF target 274
P-1
B1 = 890000
B2 = 19580000
LL
StatusDateUserResidueShift
Verified2014-08-03GaloisgroupE1E31BF2742B425A61033530
Verified2023-01-17Sergey NosovE1E31BF2742B425A42154245
History
DateUserTypeResult
2023-01-17Sergey NosovC-LL
E1E31BF2742B425A
2023-01-04La GüiraNF
no factor from 2^74 to 2^75
2016-02-23Mark RoseNF
no factor from 2^59 to 2^63
2014-08-03GaloisgroupC-LL
E1E31BF2742B425A
2013-09-30Jerry HallettNF-PM1
B1=890000, B2=19580000, E=12
2013-09-28RichD0NF
no factor from 2^73 to 2^74
2013-06-01TheJudgerNF
no factor from 2^72 to 2^73
2013-06-01TheJudgerNF
no factor from 2^71 to 2^72
2012-08-20SWL551NF
no factor from 2^70 to 2^71
2012-05-16gregorNF
no factor from 2^69 to 2^70
2009-08-24Sturle SundeNF
no factor from 2^68 to 2^69
2009-06-10D HinnersNF
no factor from 2^67 to 2^68
2009-04-04D HinnersNF
no factor from 2^66 to 2^67
2009-03-18D HinnersNF
no factor from 2^65 to 2^66
2009-03-02-Anonymous-NF
no factor from 2^64 to 2^65
2009-02-22Wojciech FlorekNF
no factor from 2^63 to 2^64