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
68682923Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 275
TF target 274
P-1
B1 = 625000
B2 = 12343750
LL
StatusDateUserResidueShift
Verified2016-07-16tmeekins4CDE54730F60383B60354843
Verified2024-02-13Mirra4CDE54730F60383B46807683
History
DateUserTypeResult
2024-02-13MirraC-LL
4CDE54730F60383B
2016-07-16tmeekinsC-LL
4CDE54730F60383B
2016-03-19el groccoNF
no factor from 2^74 to 2^75
2014-12-26NesowaNF-PM1
B1=625000, B2=12343750, E=6
2014-08-18c10ck3rNF
no factor from 2^71 to 2^74
2012-11-05-Anonymous-NF
no factor from 2^70 to 2^71
2012-03-15Per JessenNF
no factor from 2^69 to 2^70
2010-02-28LizzieNF
no factor from 2^68 to 2^69
2010-02-06Math Fan HeaterNF
no factor from 2^67 to 2^68
2010-01-31ekrummeNF
no factor from 2^66 to 2^67
2010-01-27heteNF
no factor from 2^65 to 2^66
2010-01-25CubeQuest.orgNF
no factor from 2^64 to 2^65
2009-02-161997rj7NF
no factor to 2^64