Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
121495939Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
13737720250051345382342232580.22024-02-23 19:02:01
P-1 factors
DateFactorB1B2
2024-02-231373772025005134538234223608000608000
History
DateUserTypeResult
2024-02-23Smok_bmv F-PM1
Factor: 1373772025005134538234223 / (P-1, B1=608000)
2022-06-24TheJudgerNF
no factor from 2^76 to 2^77
2021-08-20TheJudgerNF
no factor from 2^75 to 2^76
2021-08-20TheJudgerNF
no factor from 2^74 to 2^75
2020-12-23MannImMondNF
no factor from 2^73 to 2^74
2020-10-10tscNF
no factor from 2^72 to 2^73
2015-11-29workerthreadNF
no factor from 2^71 to 2^72
2015-11-20workerthreadNF
no factor from 2^70 to 2^71
2013-12-14GrunwalderGIMPNF
no factor from 2^69 to 2^70
2013-12-14GrunwalderGIMPNF
no factor from 2^68 to 2^69
2013-12-14GrunwalderGIMPNF
no factor from 2^66 to 2^68
2012-08-13HBendtzNF
no factor from 2^65 to 2^66
2010-10-21Mr-PlonkNF
no factor from 2^64 to 2^65
2010-05-18sasaki3NF
no factor from 2^63 to 2^64