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
225831337Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
122267262351029364653932373.42019-03-07 05:44:25
History
DateUserTypeResult
2019-03-07alexF
Factor: 12226726235102936465393 / TF: 73-74
2018-10-15Johan ViljoenNF
no factor from 2^72 to 2^73
2018-08-27workerthreadNF
no factor from 2^71 to 2^72
2018-08-19gomory-chvatalNF
no factor from 2^70 to 2^71
2018-08-18arnaudNF
no factor from 2^69 to 2^70
2018-03-22sasakiNF
no factor from 2^68 to 2^69
2016-09-15XZTNF
no factor from 2^67 to 2^68
2015-11-06Mr-PlonkNF
no factor from 2^66 to 2^67
2013-09-08KayJongsmaNF
no factor from 2^65 to 2^66
2011-06-14sasaki3NF
no factor from 2^64 to 2^65