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
162300001No known factors, not tested for primality
TF
No factors below 276
TF target 278
P-1
B1 = 1413000
B2 = 1540903650
Assigned
AssignedUserWork TypeStage% DoneUpdatedExpired
2025-09-04GPU Factoringtrial factoring0.00 % 2025-09-27
History
DateUserTypeResult
2024-10-08Luke DurantNF-PM1
B1=1413000, B2=1540903650
2024-09-01SRBaseNF
no factor from 2^75 to 2^76
2023-03-04SRBaseNF
no factor from 2^74 to 2^75
2021-11-29SRBaseNF
no factor from 2^73 to 2^74
2018-07-16Yves de WandelaarNF
no factor from 2^72 to 2^73
2018-01-13ZenghuiNF
no factor from 2^71 to 2^72
2018-01-12Johan ViljoenNF
no factor from 2^70 to 2^71
2018-01-03Johan ViljoenNF
no factor from 2^69 to 2^70
2017-03-31XolotlNF
no factor from 2^68 to 2^69
2016-05-21suildurNF
no factor from 2^67 to 2^68
2015-05-14PVasilevNF
no factor from 2^66 to 2^67
2013-03-01MucolNF
no factor from 2^65 to 2^66
2011-02-07RichardNF
no factor from 2^64 to 2^65
2010-07-01Torchwood InstituteNF
no factor from 2^63 to 2^64