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

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MnStatusDetails
152772469Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
12738183707622555270492270.12017-05-30 02:48:25
History
DateUserTypeResult
2017-05-30Sergey NosovF
Factor: 1273818370762255527049 / TF: 70-72*
2017-05-03NBCC NF
no factor from 2^68 to 2^69
2017-04-20YxinityNF
no factor from 2^69 to 2^70
2017-04-20YxinityNF
no factor from 2^68 to 2^69
2016-04-24arnieNF
no factor from 2^67 to 2^68
2015-04-01MucolNF
no factor from 2^66 to 2^67
2013-01-24-Anonymous-NF
no factor from 2^65 to 2^66
2011-01-18UschinatorNF
no factor from 2^64 to 2^65
2010-07-271997rj7NF
no factor from 2^63 to 2^64