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

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MnStatusDetails
172219669Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
52417840139278486597912272.22018-05-24 02:26:57
History
DateUserTypeResult
2018-05-24yponomarevF
Factor: 5241784013927848659791 / TF: 72-73
2018-04-28nate.andersNF
no factor from 2^71 to 2^72
2018-04-05The_MatrixNF
no factor from 2^70 to 2^71
2018-03-27RobertNNF
no factor from 2^69 to 2^70
2015-04-27mikrNF
no factor from 2^68 to 2^69
2015-04-27mikrNF
no factor from 2^66 to 2^68
2013-04-07lindedNF
no factor from 2^65 to 2^66
2011-02-27Sergej LevinNF
no factor from 2^64 to 2^65
2010-07-12Torchwood InstituteNF
no factor from 2^63 to 2^64