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
162240713No known factors, not tested for primality
TF
No factors below 278
TF target 278
P-1
B1 = 1401000
B2 = 1533687870
History
DateUserTypeResult
2025-10-17S36049NF
no factor from 2^77 to 2^78
2025-10-14Andrew BNF
no factor from 2^76 to 2^77
2024-10-08Luke DurantNF-PM1
B1=1401000, B2=1533687870
2024-08-29SRBaseNF
no factor from 2^75 to 2^76
2023-03-04SRBaseNF
no factor from 2^74 to 2^75
2021-11-27SRBaseNF
no factor from 2^73 to 2^74
2018-02-15BrandonNF
no factor from 2^72 to 2^73
2018-02-12Johan ViljoenNF
no factor from 2^71 to 2^72
2018-02-07Johan ViljoenNF
no factor from 2^70 to 2^71
2018-01-03Johan ViljoenNF
no factor from 2^69 to 2^70
2017-03-31deo2016NF
no factor from 2^68 to 2^69
2016-05-19James HintzNF
no factor from 2^67 to 2^68
2015-05-10vwflat4NF
no factor from 2^66 to 2^67
2013-03-01tscNF
no factor from 2^65 to 2^66
2011-02-04ZeBigGregNF
no factor from 2^64 to 2^65
2010-07-01subgeniusNF
no factor from 2^63 to 2^64