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
244736857Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
3938318808247125559132168.42018-05-19 15:10:26
History
DateUserTypeResult
2025-03-19James HeinrichF
Factor: 393831880824712555913 / TF: 68-70
2018-05-19Stanislav_KhokhrinF
Factor: 393831880824712555913 / TF: 68-69
2016-10-13rubikvn2100NF
no factor from 2^67 to 2^68
2015-12-08sannerud.comNF
no factor from 2^66 to 2^67
2013-10-23tscNF
no factor from 2^65 to 2^66
2011-09-15sasaki3NF
no factor from 2^64 to 2^65
2010-05-15Architects CubedNF
no factor from 2^63 to 2^64
2010-03-11carlos56NF
no factor from 2^62 to 2^63