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

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MnStatusDetails
165984607Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
50972062037704255319532272.12019-01-24 03:25:38
History
DateUserTypeResult
2019-01-24Smok_bmv F
Factor: 5097206203770425531953 / TF: 72-73*
2018-08-13ZenghuiNF
no factor from 2^71 to 2^72
2018-01-29Oliver KruseNF
no factor from 2^70 to 2^71
2018-01-20xx005fsNF
no factor from 2^69 to 2^70
2017-04-17ANONYMOUSNF
no factor from 2^68 to 2^69
2016-05-31James HintzNF
no factor from 2^67 to 2^68
2015-06-02RichardNF
no factor from 2^66 to 2^67
2013-03-15Charles A. MorrisNF
no factor from 2^65 to 2^66
2011-02-11runeskNF
no factor from 2^64 to 2^65
2010-07-05Torchwood InstituteNF
no factor from 2^63 to 2^64