Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

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MnStatusDetails
191026291Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
63277378944865073384472272.42019-10-28 23:27:55
History
DateUserTypeResult
2019-10-28Andrew GF
Factor: 6327737894486507338447 / TF: 72-73
2019-10-19Andrew GNF
no factor from 2^71 to 2^72
2018-12-26ZenghuiNF
no factor from 2^70 to 2^71
2016-11-10mikrNF
no factor from 2^69 to 2^70
2016-11-10mikrNF
no factor from 2^68 to 2^69
2016-05-16XZTNF
no factor from 2^67 to 2^68
2015-08-31Thomas SheraNF
no factor from 2^66 to 2^67
2013-06-07Chih-Wei HuangNF
no factor from 2^65 to 2^66
2011-04-11sasaki3NF
no factor from 2^64 to 2^65
2010-08-04RichardNF
no factor from 2^63 to 2^64