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
175647517Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
49731956594221087761432272.12018-03-20 03:28:13
History
DateUserTypeResult
2018-03-20yponomarevF
Factor: 4973195659422108776143 / TF: 72-73
2018-03-18RichardNF
no factor from 2^71 to 2^72
2018-03-18RichardNF
no factor from 2^70 to 2^71
2018-03-18RichardNF
no factor from 2^69 to 2^70
2016-10-14pussijussiNF
no factor from 2^68 to 2^69
2016-06-16MD_from_MUCNF
no factor from 2^67 to 2^68
2015-07-03YxinityNF
no factor from 2^66 to 2^67
2013-04-16sannerud.comNF
no factor from 2^65 to 2^66
2011-03-07sannerud.comNF
no factor from 2^64 to 2^65
2010-07-16Torchwood InstituteNF
no factor from 2^63 to 2^64