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
332198879Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 281
TF target 281
P-1
B1 = 6000000
B2 = 200000000
LL
StatusDateUserResidueShift
Verified2021-04-26LaurV288B6A7F29ECD90C119611033
Verified2021-05-11LaurV288B6A7F29ECD90C0
Verified2021-12-12MadPoo288B6A7F29ECD90C294845262
History
DateUserTypeResult
2023-10-18James HeinrichNF
no factor from 2^67 to 2^68
2021-12-12MadPooC-LL
288B6A7F29ECD90C
2021-05-11LaurVC-LL
288B6A7F29ECD90C
2021-04-26LaurVC-LL
288B6A7F29ECD90C
2021-04-16LaurVNF-PM1
B1=6000000, B2=200000000
2020-08-25Albrecht HeefferNF
no factor from 2^80 to 2^81
2020-08-24Albrecht HeefferNF
no factor from 2^79 to 2^80
2019-12-03MadPooNF-PM1
B1=100000, B2=1000000
2019-04-06MadPooNF-PM1
B1=100000
2010-11-08amphoriaNF
no factor from 2^78 to 2^79
2010-11-08amphoriaNF
no factor from 2^77 to 2^78
2010-11-08amphoriaNF
no factor from 2^76 to 2^77
2010-11-08amphoriaNF
no factor from 2^75 to 2^76
2010-02-09SunfishNF
no factor from 2^74 to 2^75
2009-12-26SunfishNF
no factor from 2^73 to 2^74
2009-12-23SunfishNF
no factor from 2^72 to 2^73
2009-01-02Team_InspectorNF
no factor from 2^71 to 2^72
2008-12-31Team_InspectorNF
no factor from 2^70 to 2^71
2008-10-31Team_InspectorNF
no factor from 2^69 to 2^70
2008-10-31Team_InspectorNF
no factor from 2^68 to 2^69