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
160515811No known factors, not tested for primality
TF
No factors below 276
TF target 278
P-1
B1 = 1396000
B2 = 1497819180
Assigned
AssignedUserWork TypeStage% DoneUpdatedExpired
2025-07-07GPU Factoringtrial factoring0.00 % 2025-08-06
History
DateUserTypeResult
2024-10-05Luke DurantNF-PM1
B1=1396000, B2=1497819180
2024-08-26SRBaseNF
no factor from 2^75 to 2^76
2023-03-01SRBaseNF
no factor from 2^74 to 2^75
2021-11-27SRBaseNF
no factor from 2^73 to 2^74
2018-01-14nate.andersNF
no factor from 2^72 to 2^73
2018-01-08SRS TechnologyNF
no factor from 2^71 to 2^72
2018-01-08SRS TechnologyNF
no factor from 2^70 to 2^71
2018-01-08SRS TechnologyNF
no factor from 2^69 to 2^70
2017-03-24OS1NF
no factor from 2^68 to 2^69
2016-03-07XZTNF
no factor from 2^67 to 2^68
2015-05-03S. EichsteiningerNF
no factor from 2^66 to 2^67
2013-02-23tscNF
no factor from 2^65 to 2^66
2011-02-02oodairaNF
no factor from 2^64 to 2^65
2010-06-29Charles A. MorrisNF
no factor from 2^63 to 2^64