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
166571143No known factors, not tested for primality
TF
No factors below 276
TF target 278
P-1
B1 = 903000
B2 = 44335620
History
DateUserTypeResult
2024-09-10SRBaseNF
no factor from 2^75 to 2^76
2024-08-26Ryan PropperNF-PM1
B1=903000, B2=44335620
2023-03-16SRBaseNF
no factor from 2^74 to 2^75
2021-12-10SRBaseNF
no factor from 2^73 to 2^74
2018-02-15arnaudNF
no factor from 2^72 to 2^73
2018-02-13c0m3d1anNF
no factor from 2^71 to 2^72
2018-02-09ZenghuiNF
no factor from 2^70 to 2^71
2018-02-06ZenghuiNF
no factor from 2^69 to 2^70
2017-04-20Doug RheaNF
no factor from 2^68 to 2^69
2016-04-10XZTNF
no factor from 2^67 to 2^68
2015-05-29SummyNF
no factor from 2^66 to 2^67
2013-03-17Charles A. MorrisNF
no factor from 2^65 to 2^66
2011-02-12oodairaNF
no factor from 2^64 to 2^65
2010-07-05Torchwood InstituteNF
no factor from 2^63 to 2^64