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
889005863Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
5631421557235929720892168.92016-11-03 17:40:55
History
DateUserTypeResult
2025-03-06James HeinrichF
Factor: 563142155723592972089 / TF: 68-70
2016-11-03Alex_soldierF
Factor: 563142155723592972089 / TF: 68-69*
2015-09-26sasakiNF
no factor from 2^67 to 2^68
2015-04-12sasakiNF
no factor from 2^66 to 2^67
2013-07-25america64NF
no factor from 2^65 to 2^66
2011-10-06BJBNF
no factor from 2^64 to 2^65
2010-07-16lindeeNF
no factor from 2^63 to 2^64