Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
118127983Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
19900241689357192082479272580.72023-05-28 14:06:28
P-1 factors
DateFactorB1B2
2023-05-281990024168935719208247927573000573000
History
DateUserTypeResult
2023-05-28ky0urakuF-PM1
Factor: 1990024168935719208247927 / (P-1, B1=573000)
2022-05-10TheJudgerNF
no factor from 2^76 to 2^77
2021-07-02TheJudgerNF
no factor from 2^75 to 2^76
2021-07-02TheJudgerNF
no factor from 2^74 to 2^75
2019-08-27Niels_Mache_NextcloudNF
no factor from 2^73 to 2^74
2016-01-13snme2pm1NF
no factor from 2^72 to 2^73
2015-03-26SMoffatNF
no factor from 2^71 to 2^72
2015-01-15snme2pm1NF
no factor from 2^70 to 2^71
2014-11-19snme2pm1NF
no factor from 2^69 to 2^70
2014-06-25snme2pm1NF
no factor from 2^68 to 2^69
2014-03-26snme2pm1NF
no factor from 2^66 to 2^68
2012-07-12oodairaNF
no factor from 2^65 to 2^66
2010-10-13Charles A. MorrisNF
no factor from 2^64 to 2^65
2010-05-13carlos56NF
no factor from 2^63 to 2^64