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
301254383Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
19675535217083706782232270.72019-09-09 04:26:51
History
DateUserTypeResult
2025-04-01James HeinrichF
Factor: 1967553521708370678223 / TF: 70-71
2019-09-09Smok_bmv F
Factor: 1967553521708370678223 / TF: 70-71*
2017-03-31Jacques MOLNENF
no factor from 2^69 to 2^70
2016-01-28Jacques MOLNENF
no factor from 2^66 to 2^69
2014-01-05ANONYMOUSNF
no factor from 2^65 to 2^66
2011-10-12tscNF
no factor from 2^64 to 2^65