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
291138227Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
7915261232692020592092169.42019-06-29 10:22:07
History
DateUserTypeResult
2019-06-29Alex_soldierF
Factor: 791526123269202059209 / TF: 69-70
2018-07-23Chabot PrimeNF
no factor from 2^68 to 2^69
2016-08-17XZTNF
no factor from 2^67 to 2^68
2016-01-31nikoszNF
no factor from 2^66 to 2^67
2014-06-21sasaki3NF
no factor from 2^65 to 2^66
2011-09-30LingUaanNF
no factor from 2^64 to 2^65
2010-05-23Architects CubedNF
no factor from 2^63 to 2^64
2010-04-01monstNF
no factor from 2^62 to 2^63