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

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MnStatusDetails
121584929Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
1715131741044509159454972477.22024-03-03 20:31:35
P-1 factors
DateFactorB1B2
2024-03-0317151317410445091594549768400056639814
History
DateUserTypeResult
2024-03-03Smok_bmv F-PM1
Factor: 171513174104450915945497 / (P-1, B1=684000, B2=56639814)
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
2020-03-16Niels_Mache_NextcloudNF
no factor from 2^73 to 2^74
2020-03-16Niels_Mache_NextcloudNF
no factor from 2^72 to 2^73
2015-06-21Smok_bmv NF
no factor from 2^71 to 2^72
2015-06-02OS1NF
no factor from 2^70 to 2^71
2013-12-24GrunwalderGIMPNF
no factor from 2^69 to 2^70
2013-12-24GrunwalderGIMPNF
no factor from 2^68 to 2^69
2013-12-24GrunwalderGIMPNF
no factor from 2^66 to 2^68
2012-08-13tscNF
no factor from 2^65 to 2^66
2010-10-22Charles A. MorrisNF
no factor from 2^64 to 2^65
2010-05-19sasaki3NF
no factor from 2^63 to 2^64