Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

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MnStatusDetails
554103983Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
23982812894339555036892271.02020-01-30 03:31:59
History
DateUserTypeResult
2025-04-06James HeinrichF
Factor: 2398281289433955503689 / TF: 71-72
2020-01-30Smok_bmv F
Factor: 2398281289433955503689 / TF: 71-72*
2019-10-31sasakiNF
no factor from 2^70 to 2^71
2018-03-03YxinityNF
no factor from 2^69 to 2^70
2018-02-28sasakiNF
no factor from 2^68 to 2^69
2016-05-30Bruno VictalNF
no factor from 2^67 to 2^68
2015-11-12sasakiNF
no factor from 2^66 to 2^67
2014-08-31sasakiNF
no factor from 2^65 to 2^66
2011-11-08Architects CubedNF
no factor from 2^64 to 2^65