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
75559399Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 275
TF target 274
P-1
B1 = 630000
B2 = 12600000
LL
StatusDateUserResidueShift
Verified2017-09-15baseyA1E70B07CB08049167056534
Verified2025-01-19brode-runnerA1E70B07CB08049113732829
History
DateUserTypeResult
2025-01-19brode-runnerC-LL
A1E70B07CB080491
2017-09-15baseyC-LL
A1E70B07CB080491
2016-03-26Brian BeuningNF-PM1
B1=630000, B2=12600000, E=6
2016-03-19ktonyNF
no factor from 2^74 to 2^75
2016-03-19ktonyNF
no factor from 2^73 to 2^74
2016-02-13Judge HaleNF
no factor from 2^72 to 2^73
2013-12-25Helmut KirrmaierNF
no factor from 2^71 to 2^72
2013-06-02ManpowreNF
no factor from 2^70 to 2^71
2012-12-07Robert_SoCalNF
no factor from 2^69 to 2^70
2010-11-14tmorrowNF
no factor from 2^68 to 2^69
2010-11-12eon_blue_apocalypseNF
no factor from 2^67 to 2^68
2010-11-09Wolfgang FluckNF
no factor from 2^66 to 2^67
2010-11-03SADMASTERNF
no factor from 2^65 to 2^66