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

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MnStatusDetails
101776327Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
47986959406281110667455692582.02020-12-27 18:46:48
P-1 factors
DateFactorB1B2
2020-12-27479869594062811106674556985000017850000
History
DateUserTypeResult
2020-12-27ky0urakuF-PM1
Factor: 4798695940628111066745569 / (P-1, B1=850000, B2=17850000, E=12)
2020-10-10TheJudgerNF
no factor from 2^75 to 2^76
2020-10-10TheJudgerNF
no factor from 2^74 to 2^75
2020-02-22Niels_Mache_NextcloudNF
no factor from 2^73 to 2^74
2020-02-22Niels_Mache_NextcloudNF
no factor from 2^72 to 2^73
2020-02-20el groccoNF
no factor from 2^72 to 2^73
2015-01-19Smok_bmv NF
no factor from 2^71 to 2^72
2014-03-31PascalBieriNF
no factor from 2^70 to 2^71
2014-03-27PascalBieriNF
no factor from 2^69 to 2^70
2013-11-01Per JessenNF
no factor from 2^68 to 2^69
2013-08-26Jens PedersenNF
no factor from 2^67 to 2^68
2013-08-19america64NF
no factor from 2^66 to 2^67
2012-04-18Andrew BNF
no factor from 2^65 to 2^66
2010-08-20Sid & AndyNF
no factor from 2^64 to 2^65
2010-03-201997rj7NF
no factor from 2^63 to 2^64