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
64699363Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 275
TF target 274
P-1
B1 = 555000
B2 = 8463750
LL
StatusDateUserResidueShift
Verified2015-01-22Keith Ball212AE340192AE08348149685
Verified2023-05-16pavell212AE340192AE08352878932
History
DateUserTypeResult
2023-05-16pavellC-LL
212AE340192AE083
2022-07-28Alvin BunkNF
no factor from 2^74 to 2^75
2016-02-23Mark RoseNF
no factor from 2^60 to 2^63
2015-01-22Keith BallC-LL
212AE340192AE083
2013-06-27jbaffordNF-PM1
B1=555000, B2=8463750
2013-04-04Tim SorberaNF
no factor from 2^73 to 2^74
2013-04-04Tim SorberaNF
no factor from 2^72 to 2^73
2013-04-04Tim SorberaNF
no factor from 2^71 to 2^72
2013-04-04Tim SorberaNF
no factor from 2^70 to 2^71
2011-12-30america64NF
no factor from 2^69 to 2^70
2009-09-24S00030NF
no factor from 2^68 to 2^69
2009-03-17Sturle SundeNF
no factor from 2^67 to 2^68
2009-03-16HighPriceRanchNF
no factor from 2^66 to 2^67
2009-03-13HighPriceRanchNF
no factor from 2^65 to 2^66
2009-03-12glennpatNF
no factor from 2^64 to 2^65
2009-03-11Sturle SundeNF
no factor from 2^63 to 2^64