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

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MnStatusDetails
101698973Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
215482679846657389662063292684.22020-12-21 09:09:17
P-1 factors
DateFactorB1B2
2020-12-212154826798466573896620632975000025000000
History
DateUserTypeResult
2020-12-21ky0urakuF-PM1
Factor: 21548267984665738966206329 / (P-1, B1=750000, B2=25000000)
2020-10-10TheJudgerNF
no factor from 2^75 to 2^76
2020-10-10TheJudgerNF
no factor from 2^74 to 2^75
2020-03-03Niels_Mache_NextcloudNF
no factor from 2^73 to 2^74
2020-03-03Niels_Mache_NextcloudNF
no factor from 2^72 to 2^73
2020-02-21ViliamFNF
no factor from 2^73 to 2^74
2020-02-21ViliamFNF
no factor from 2^72 to 2^73
2014-12-04shaugeNF
no factor from 2^71 to 2^72
2014-08-11R.WaasNF
no factor from 2^70 to 2^71
2014-07-16R.WaasNF
no factor from 2^69 to 2^70
2014-07-15g0bNF
no factor from 2^68 to 2^69
2014-07-03Smok_bmv NF
no factor from 2^67 to 2^68
2013-08-19america64NF
no factor from 2^66 to 2^67
2012-04-20Le ComteNF
no factor from 2^65 to 2^66
2010-08-16James HintzNF
no factor from 2^64 to 2^65
2010-04-051997rj7NF
no factor from 2^63 to 2^64