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
383145283Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
12987896523235382142492270.12020-01-13 04:37:34
History
DateUserTypeResult
2025-04-05James HeinrichF
Factor: 1298789652323538214249 / TF: 70-71
2020-01-13Smok_bmv F
Factor: 1298789652323538214249 / TF: 70-71*
2017-03-08mikrNF
no factor from 2^69 to 2^70
2017-03-08mikrNF
no factor from 2^68 to 2^69
2017-01-29BrionHNF
no factor from 2^67 to 2^68
2015-04-23NRNF
no factor from 2^66 to 2^67
2014-04-22tscNF
no factor from 2^65 to 2^66
2011-04-08Architects CubedNF
no factor from 2^64 to 2^65