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
717028183Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
39616203849915087566872271.72019-07-16 07:49:13
History
DateUserTypeResult
2025-04-09James HeinrichF
Factor: 3961620384991508756687 / TF: 71-72
2019-07-16Smok_bmv F
Factor: 3961620384991508756687 / TF: 71-72*
2019-07-16Smok_bmv NF
no factor from 2^70 to 2^71
2014-06-19monstNF
no factor from 2^66 to 2^70
2011-12-17monstNF
no factor from 2^65 to 2^66
2011-01-22monstNF
no factor from 2^64 to 2^65
2010-07-27Architects CubedNF
no factor from 2^63 to 2^64