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

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MnStatusDetails
266003911Composite: 2 known prime factors
Factored
FactorDigitsBitsDate
4728630546523466249212168.72025-03-19 01:57:19
5181603667021701169372168.82016-12-12 13:37:31
History
DateUserTypeResult
2025-03-19James HeinrichF
Factors: 518160366702170116937,472863054652346624921 / TF: 68-70
2016-12-12Alex_soldierF
Factor: 518160366702170116937 / TF: 68-69*
2016-08-29XZTNF
no factor from 2^67 to 2^68
2015-12-27Simon WendelNF
no factor from 2^66 to 2^67
2013-11-23ANONYMOUSNF
no factor from 2^65 to 2^66
2011-08-20CorbyguyNF
no factor from 2^64 to 2^65
2010-03-21Torchwood InstituteNF
no factor from 2^63 to 2^64
2010-03-21Torchwood InstituteNF
no factor from 2^62 to 2^63