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
169745861Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
6235838063057111286072169.12016-10-10 22:03:19
History
DateUserTypeResult
2022-05-22LordJuliusNF
no factor from 2^62 to 2^63
2016-10-10Sergey NosovF
Factor: 623583806305711128607 / TF: 68-72*
2016-03-21XZTNF
no factor from 2^67 to 2^68
2015-06-14greg3llNF
no factor from 2^66 to 2^67
2013-03-27MucolNF
no factor from 2^65 to 2^66
2011-02-20Jud McCranieNF
no factor from 2^64 to 2^65
2010-07-09sasaki3NF
no factor from 2^63 to 2^64