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
742033583Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
21318560734967429181832270.92019-08-29 04:25:53
History
DateUserTypeResult
2025-03-26James HeinrichF
Factor: 2131856073496742918183 / TF: 70-71
2019-08-29Smok_bmv F
Factor: 2131856073496742918183 / TF: 70-71*
2014-01-31monstNF
no factor from 2^66 to 2^70
2013-08-20america64NF
no factor from 2^65 to 2^66
2011-05-25monstNF
no factor from 2^64 to 2^65
2010-06-17Architects CubedNF
no factor from 2^63 to 2^64