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
162660019No known factors, not tested for primality
TF
No factors below 276
TF target 278
P-1
B1 = 980000
B2 = 94149132
Assigned
AssignedUserWork TypeStage% DoneUpdatedExpired
2025-09-04GPU Factoringtrial factoring0.00 % 2025-09-04
History
DateUserTypeResult
2024-10-09Ryan PropperNF-PM1
B1=980000, B2=94149132
2024-09-01SRBaseNF
no factor from 2^75 to 2^76
2023-03-04SRBaseNF
no factor from 2^74 to 2^75
2018-01-03nranksNF
no factor from 2^73 to 2^74
2018-01-03nranksNF
no factor from 2^72 to 2^73
2017-12-30Craig JohnsonNF
no factor from 2^71 to 2^72
2017-12-28Craig JohnsonNF
no factor from 2^70 to 2^71
2017-12-25Craig JohnsonNF
no factor from 2^69 to 2^70
2017-04-02rubikvn2100NF
no factor from 2^68 to 2^69
2016-05-21ANONYMOUSNF
no factor from 2^67 to 2^68
2015-05-12vwflat4NF
no factor from 2^66 to 2^67
2013-03-02Son JohanNF
no factor from 2^65 to 2^66
2011-02-05UschinatorNF
no factor from 2^64 to 2^65
2010-09-02Architects CubedNF
no factor from 2^63 to 2^64