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
117780529Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
19516705224998499474072270.72015-03-22 03:18:09
History
DateUserTypeResult
2025-05-09James HeinrichF
Factor: 1951670522499849947407 / TF: 70-71
2015-03-22chorian11F
Factor: 1951670522499849947407 / TF: 70-71*
2015-03-22chorian11NF
no factor from 2^69 to 2^70
2015-03-22chorian11NF
no factor from 2^68 to 2^69
2015-03-22chorian11NF
no factor from 2^67 to 2^68
2015-01-22ANONYMOUSNF
no factor from 2^66 to 2^67
2012-07-09tscNF
no factor from 2^65 to 2^66
2010-10-12oodairaNF
no factor from 2^64 to 2^65
2010-05-12Torchwood InstituteNF
no factor from 2^63 to 2^64