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
7960793Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 272
TF target 267
P-1
B1 = 3000000
B2 = 8070112050
ECM
DigitsB1Curves
25500006 / 280
Estimated T-Level: 20.1 ⓘ
LL
StatusDateUserResidueShift
Verified1999-11-04Nick WinterF45CCC0F2D9D0E015894021
Verified2002-06-23Marc Getty / Phil FizurF45CCC0F2D9D0E017889615
History
DateUserTypeResult
2023-08-10riccardo ubertiNF
no factor from 2^71 to 2^72
2023-07-05ThaNF-PM1
B1=3000000, B2=8070112050
2021-12-08mikrNF
no factor from 2^70 to 2^71
2020-09-26-Anonymous-NF
no factor from 2^69 to 2^70
2020-08-24storm5510NF-PM1
B1=290000, B2=5872500, E=6
2020-03-06TJAOINF
no factor from 2^68 to 2^69
2018-07-24ramgeisNF
no factor from 2^67 to 2^68
2016-08-20Gordon SpenceNF
no factor from 2^66 to 2^67
2015-06-03VictordeHollanderNF
no factor from 2^65 to 2^66
2013-12-21David CampeauNF
no factor from 2^64 to 2^65
2013-10-02NesowaNF
no factor from 2^63 to 2^64
2012-07-03NesowaNF-PM1
B1=100000, B2=1950000, E=6