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
65008907Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 275
TF target 274
P-1
B1 = 580000
B2 = 11020000
LL
StatusDateUserResidueShift
Verified2014-12-31James RushworthF646D2748807E4DC21789727
Verified2023-10-01MateoPBF646D2748807E4DC41654370
Verified2023-10-01Keith SchwabF646D2748807E4DC57143789
Verified2023-10-10-Anonymous-F646D2748807E4DC23306154
History
DateUserTypeResult
2023-10-10-Anonymous-C-LL
F646D2748807E4DC
2023-10-01Keith SchwabC-LL
F646D2748807E4DC
2023-10-01MateoPBC-LL
F646D2748807E4DC
2022-11-09La GüiraNF
no factor from 2^74 to 2^75
2016-03-28Mark RoseNF
no factor from 2^60 to 2^64
2014-12-31James RushworthC-LL
F646D2748807E4DC
2013-07-15Scott HemphillNF-PM1
B1=580000, B2=11020000
2013-07-10Jerry HallettNF
no factor from 2^73 to 2^74
2013-07-10Jerry HallettNF
no factor from 2^72 to 2^73
2013-07-10Jerry HallettNF
no factor from 2^71 to 2^72
2013-03-28SMoffatNF
no factor from 2^70 to 2^71
2012-01-10debrouxlNF
no factor from 2^69 to 2^70
2009-12-21PsYcHo_mtgNF
no factor from 2^68 to 2^69
2009-12-20PsYcHo_mtgNF
no factor from 2^67 to 2^68
2009-03-19glennpatNF
no factor from 2^66 to 2^67
2009-03-17glennpatNF
no factor from 2^65 to 2^66
2009-03-16-Anonymous-NF
no factor from 2^64 to 2^65