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
152820541Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
27708843750669732901132271.22017-05-23 03:23:13
History
DateUserTypeResult
2017-05-23Sergey NosovF
Factor: 2770884375066973290113 / TF: 70-72*
2017-04-21La GüiraNF
no factor from 2^69 to 2^70
2017-02-28XolotlNF
no factor from 2^68 to 2^69
2016-04-24Ivan PanchenkoNF
no factor from 2^67 to 2^68
2015-04-01vwflat4NF
no factor from 2^66 to 2^67
2013-01-24HBendtzNF
no factor from 2^65 to 2^66
2011-01-17oodairaNF
no factor from 2^64 to 2^65
2010-07-031997rj7NF
no factor from 2^63 to 2^64