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
79591129Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 276
TF target 275
P-1
B1 = 670000
B2 = 13567500
LL
StatusDateUserResidueShift
Verified2017-03-08curtiscB9AFC3561377200534914008
Verified2025-09-14Simon JosefssonB9AFC356137720054350194
History
DateUserTypeResult
2025-09-14Simon JosefssonC-LL
B9AFC35613772005
2025-08-12Sid & AndyNF
no factor from 2^75 to 2^76
2017-03-08curtiscC-LL
B9AFC35613772005
2016-10-10John BurroughsNF-PM1
B1=670000, B2=13567500, E=12
2016-10-01FredrikNF
no factor from 2^74 to 2^75
2016-10-01FredrikNF
no factor from 2^73 to 2^74
2016-09-20RichD0NF
no factor from 2^72 to 2^73
2016-02-26BdotNF
no factor from 2^71 to 2^72
2013-01-20SMoffatNF
no factor from 2^70 to 2^71
2011-02-21Per JessenNF
no factor from 2^69 to 2^70
2011-02-17Per JessenNF
no factor from 2^68 to 2^69
2011-02-11tmorrowNF
no factor from 2^67 to 2^68
2011-02-07tmorrowNF
no factor from 2^66 to 2^67
2011-02-04tmorrowNF
no factor from 2^65 to 2^66
2010-11-29Architects CubedNF
no factor from 2^64 to 2^65
2009-05-30Architects CubedNF
no factor from 2^63 to 2^64