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
80433931Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 275
TF target 275
P-1
B1 = 680000
B2 = 13770000
LL
StatusDateUserResidueShift
Bad2017-04-22-Anonymous-74AE104A95F1349222282170
Verified2024-10-13mewturn85A4CF66371C292819137345
Verified2024-11-05MadPoo85A4CF66371C292875650847
History
DateUserTypeResult
2024-11-05MadPooC-LL
85A4CF66371C2928
2024-10-13mewturnC-LL
85A4CF66371C2928
2017-04-22-Anonymous-C-LL
74AE104A95F13492
2017-01-10XolotlNF-PM1
B1=680000, B2=13770000, E=12
2016-10-20Mark RoseNF
no factor from 2^74 to 2^75
2016-10-18Brian BeuningNF
no factor from 2^73 to 2^74
2016-05-02BdotNF
no factor from 2^72 to 2^73
2016-05-02BdotNF
no factor from 2^71 to 2^72
2013-06-03processinfoNF
no factor from 2^70 to 2^71
2011-02-28Per JessenNF
no factor from 2^69 to 2^70
2011-02-19tmorrowNF
no factor from 2^68 to 2^69
2011-01-28marvikNF
no factor from 2^67 to 2^68
2011-01-26runeskNF
no factor from 2^66 to 2^67
2011-01-25LewisMeadNF
no factor from 2^65 to 2^66
2010-12-09Architects CubedNF
no factor from 2^64 to 2^65