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
277491307No known factors, not tested for primality
TF
No factors below 276
TF target 280
History
DateUserTypeResult
2025-03-24SRBaseNF
no factor from 2^75 to 2^76
2024-05-13Jarod McClintockNF
no factor from 2^70 to 2^71
2023-07-28SRBaseNF
no factor from 2^74 to 2^75
2022-03-08SRBaseNF
no factor from 2^73 to 2^74
2020-12-15SRBaseNF
no factor from 2^72 to 2^73
2020-07-13SRBaseNF
no factor from 2^71 to 2^72
2019-09-26ConductorNF
no factor from 2^70 to 2^71
2019-09-24proxy2222NF
no factor from 2^69 to 2^70
2018-07-08ANONYMOUSNF
no factor from 2^68 to 2^69
2016-11-06Mikhail E. GolosovNF
no factor from 2^67 to 2^68
2016-01-14Rolf LarsenNF
no factor from 2^66 to 2^67
2013-12-12RichardNF
no factor from 2^65 to 2^66
2011-09-09RichardNF
no factor from 2^64 to 2^65
2010-04-04Torchwood InstituteNF
no factor from 2^63 to 2^64
2010-04-04Torchwood InstituteNF
no factor from 2^62 to 2^63