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
321542183Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
17956320926682404304472270.62019-10-07 04:35:50
History
DateUserTypeResult
2025-04-12James HeinrichF
Factor: 1795632092668240430447 / TF: 70-71
2019-10-07Smok_bmv F
Factor: 1795632092668240430447 / TF: 70-71*
2019-03-06sasakiNF
no factor from 2^69 to 2^70
2018-08-10Chabot PrimeNF
no factor from 2^68 to 2^69
2016-12-23vwflat4NF
no factor from 2^67 to 2^68
2016-02-28johnsilverNF
no factor from 2^66 to 2^67
2014-01-31MucolNF
no factor from 2^65 to 2^66
2011-11-07RichardNF
no factor from 2^64 to 2^65