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
192222557Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
48504580378197922352412272.02019-05-12 13:39:09
History
DateUserTypeResult
2024-06-05James HeinrichNF
no factor from 2^68 to 2^69
2019-05-12Samuel SchmidtF
Factor: 4850458037819792235241 / TF: 72-73
2019-01-21David K BrittNF
no factor from 2^71 to 2^72
2019-01-02treborNF
no factor from 2^70 to 2^71
2018-11-27Chabot PrimeNF
no factor from 2^69 to 2^70
2017-08-06ConductorNF
no factor from 2^68 to 2^69
2016-06-04XZTNF
no factor from 2^67 to 2^68
2015-09-02sasakiNF
no factor from 2^66 to 2^67
2013-06-12MucolNF
no factor from 2^65 to 2^66
2011-04-14Sergej LevinNF
no factor from 2^64 to 2^65