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

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MnStatusDetails
118512943Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
1562779290297068481002232477.02023-09-24 05:54:52
P-1 factors
DateFactorB1B2
2023-09-24156277929029706848100223828000222746370
History
DateUserTypeResult
2023-09-24gcardonaF-PM1
Factor: 156277929029706848100223 / (P-1, B1=828000, B2=222746370)
2022-01-01AerowNF
no factor from 2^76 to 2^77
2021-07-04TheJudgerNF
no factor from 2^75 to 2^76
2021-04-13hktNF
no factor from 2^74 to 2^75
2019-07-06Niels_Mache_NextcloudNF
no factor from 2^73 to 2^74
2017-02-08snme2pm1NF
no factor from 2^72 to 2^73
2015-04-15SMoffatNF
no factor from 2^71 to 2^72
2014-12-20snme2pm1NF
no factor from 2^70 to 2^71
2014-08-14snme2pm1NF
no factor from 2^69 to 2^70
2014-07-22snme2pm1NF
no factor from 2^68 to 2^69
2014-07-01snme2pm1NF
no factor from 2^67 to 2^68
2014-06-11snme2pm1NF
no factor from 2^66 to 2^67
2012-07-21Smok_bmv NF
no factor from 2^65 to 2^66
2010-10-15RichardNF
no factor from 2^64 to 2^65
2010-05-13sasaki3NF
no factor from 2^63 to 2^64