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

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MnStatusDetails
260276053Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
6609415806424409261212169.22018-06-25 16:28:29
History
DateUserTypeResult
2018-06-25YxinityF
Factor: 660941580642440926121 / TF: 69-70
2018-06-25YxinityNF
no factor from 2^68 to 2^69
2018-06-24JoJo-SUN24NF
no factor from 2^68 to 2^69
2016-07-11XZTNF
no factor from 2^67 to 2^68
2015-12-21mikeblasNF
no factor from 2^66 to 2^67
2014-05-21tscNF
no factor from 2^65 to 2^66
2011-08-12RichardNF
no factor from 2^64 to 2^65
2010-03-13BattlemaxxNF
no factor from 2^63 to 2^64
2010-03-13BattlemaxxNF
no factor from 2^62 to 2^63