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
747209083Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
31721487990735927152872271.42019-09-04 04:40:33
History
DateUserTypeResult
2025-04-06James HeinrichF
Factor: 3172148799073592715287 / TF: 71-72
2019-09-04Smok_bmv F
Factor: 3172148799073592715287 / TF: 71-72*
2019-09-04Smok_bmv NF
no factor from 2^70 to 2^71
2015-11-06monstNF
no factor from 2^66 to 2^70
2013-07-17america64NF
no factor from 2^65 to 2^66
2011-06-05monstNF
no factor from 2^64 to 2^65
2010-06-21Architects CubedNF
no factor from 2^63 to 2^64