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
162768961No known factors, not tested for primality
TF
No factors below 276
TF target 278
P-1
B1 = 1407000
B2 = 1513808010
Assigned
AssignedUserWork TypeStage% DoneUpdatedExpired
2025-09-05GPU Factoringtrial factoring0.00 % 2025-10-13
History
DateUserTypeResult
2024-10-10Luke DurantNF-PM1
B1=1407000, B2=1513808010
2018-01-08Oliver KruseNF
no factor from 2^69 to 2^76
2017-04-03XolotlNF
no factor from 2^68 to 2^69
2016-05-23Mr-PlonkNF
no factor from 2^67 to 2^68
2015-05-14Alex_soldierNF
no factor from 2^66 to 2^67
2013-05-07tscNF
no factor from 2^65 to 2^66
2011-02-05steinrarNF
no factor from 2^64 to 2^65
2010-09-03Architects CubedNF
no factor from 2^63 to 2^64