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

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MnStatusDetails
81478451Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
336448206979799395726552492684.82017-06-23 13:47:53
P-1 factors
DateFactorB1B2
2017-06-23336448206979799395726552496950000
History
DateUserTypeResult
2024-05-10James HeinrichNF
no factor from 2^68 to 2^69
2017-06-23Sergey NosovF-PM1
Factor: 33644820697979939572655249 / (P-1, B1=695000)
2016-10-07-Anonymous-NF
no factor from 2^74 to 2^75
2016-10-07-Anonymous-NF
no factor from 2^73 to 2^74
2016-10-07-Anonymous-NF
no factor from 2^72 to 2^73
2016-10-07-Anonymous-NF
no factor from 2^71 to 2^72
2013-06-27to0xiickNF
no factor from 2^70 to 2^71
2013-03-04SADMASTERNF
no factor from 2^69 to 2^70
2013-02-14SADMASTERNF
no factor from 2^68 to 2^69
2013-02-08-Anonymous-NF
no factor from 2^67 to 2^68
2013-02-04Bold_SeekerNF
no factor from 2^66 to 2^67
2012-08-29Carsten KossendeyNF
no factor from 2^65 to 2^66
2010-12-14Architects CubedNF
no factor from 2^64 to 2^65