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
247804573Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
3738214991154700303672168.32018-06-01 04:03:50
History
DateUserTypeResult
2018-06-01YxinityF
Factor: 373821499115470030367 / TF: 68-69
2016-10-20Jan KuipersNF
no factor from 2^67 to 2^68
2015-12-12HBendtzNF
no factor from 2^66 to 2^67
2013-11-05Yan Ruimin ChinaNF
no factor from 2^65 to 2^66
2011-07-22Joe BauerNF
no factor from 2^64 to 2^65