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
581004133Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
5420873692274797009432168.92017-09-04 13:31:31
History
DateUserTypeResult
2025-03-06James HeinrichF
Factor: 542087369227479700943 / TF: 68-70
2017-09-04Alex_soldierF
Factor: 542087369227479700943 / TF: 68-69*
2016-12-29sasakiNF
no factor from 2^67 to 2^68
2015-10-09sasakiNF
no factor from 2^66 to 2^67
2014-09-08NRNF
no factor from 2^65 to 2^66
2011-09-06Architects CubedNF
no factor from 2^64 to 2^65
2010-03-05Architects CubedNF
no factor from 2^63 to 2^64