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

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MnStatusDetails
220296941Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
12604867252630873358412270.12020-03-08 02:12:47
History
DateUserTypeResult
2020-03-08Alexander TsupkoF
Factor: 1260486725263087335841
2018-08-13ZenghuiNF
no factor from 2^69 to 2^70
2018-02-12bayanneNF
no factor from 2^68 to 2^69
2016-09-04XZTNF
no factor from 2^67 to 2^68
2015-10-26tscNF
no factor from 2^66 to 2^67
2013-08-20Grant McCrackenNF
no factor from 2^65 to 2^66
2011-06-04CorbyguyNF
no factor from 2^64 to 2^65