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
195044119Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
5253145088798949085132168.82017-08-27 21:40:59
History
DateUserTypeResult
2025-03-14James HeinrichF
Factor: 525314508879894908513 / TF: 68-70
2017-08-27NickF
Factor: 525314508879894908513 / TF: 68-69
2016-08-11tmorrowNF
no factor from 2^67 to 2^68
2015-09-10ZachrulezNF
no factor from 2^66 to 2^67
2013-06-22Mr-PlonkNF
no factor from 2^65 to 2^66
2011-04-20tscNF
no factor from 2^64 to 2^65
2010-08-06AliNF
no factor from 2^63 to 2^64