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

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MnStatusDetails
98215801Factored
FactorDigitsBitsDate
22210049281648734705131790056762915757739127.42019-10-08 14:51:39
P-1 factors
DateFactorB1B2
2019-10-082221004928164873470513179005676291575779650000
History
DateUserTypeResult
2019-10-08Ryan PropperF-PM1
Factor: 222100492816487347051317900567629157577 / (P-1, B1=965000)
2019-05-14Niels_Mache_NextcloudNF
no factor from 2^72 to 2^73
2018-12-18Niels_Mache_NextcloudNF
no factor from 2^71 to 2^72
2014-06-27kutensNF
no factor from 2^70 to 2^71
2014-04-23SMoffatNF
no factor from 2^69 to 2^70
2013-09-07-Anonymous-NF
no factor from 2^68 to 2^69
2013-07-28Le ComteNF
no factor from 2^67 to 2^68
2013-07-27]mh[ VirtekNF
no factor from 2^66 to 2^67
2013-07-25g0bNF
no factor from 2^65 to 2^66
2011-01-17Architects CubedNF
no factor from 2^64 to 2^65