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

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MnStatusDetails
99622231Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
6083065155641361455293959772789.02020-07-09 10:44:30
P-1 factors
DateFactorB1B2
2020-07-0960830651556413614552939597777500015306250
History
DateUserTypeResult
2020-07-09ky0urakuF-PM1
Factor: 608306515564136145529395977 / (P-1, B1=775000, B2=15306250, E=12)
2020-07-07ChuckNF
no factor from 2^76 to 2^77
2020-05-31ktonyNF
no factor from 2^75 to 2^76
2020-03-22LaurVNF
no factor from 2^74 to 2^75
2019-12-15storm5510NF
no factor from 2^73 to 2^74
2019-04-01Niels_Mache_NextcloudNF
no factor from 2^72 to 2^73
2017-02-03monstNF
no factor from 2^71 to 2^72
2014-06-29NoWhereManNF
no factor from 2^70 to 2^71
2014-06-24-Anonymous-NF
no factor from 2^69 to 2^70
2013-08-21bamNF
no factor from 2^68 to 2^69
2013-08-18PascalBieriNF
no factor from 2^67 to 2^68
2013-08-16america64NF
no factor from 2^66 to 2^67
2012-09-01Jimmy BrüggemannNF
no factor from 2^65 to 2^66
2010-11-031997rj7NF
no factor from 2^64 to 2^65