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
557248883Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
24434441875725666137932271.02020-02-01 05:04:16
History
DateUserTypeResult
2025-04-06James HeinrichF
Factor: 2443444187572566613793 / TF: 71-72
2020-02-01Smok_bmv F
Factor: 2443444187572566613793 / TF: 71-72*
2019-12-10sasakiNF
no factor from 2^70 to 2^71
2018-11-02Niels_Mache_NextcloudNF
no factor from 2^69 to 2^70
2018-03-21sasakiNF
no factor from 2^68 to 2^69
2016-11-15sasakiNF
no factor from 2^67 to 2^68
2015-12-01sasakiNF
no factor from 2^66 to 2^67
2014-10-06sasakiNF
no factor from 2^65 to 2^66
2012-01-05ALSNF
no factor from 2^64 to 2^65