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
168239767Composite: 1 known prime factor
Factored
FactorDigitsBitsDate
54477749999490728348053512582.22024-08-07 20:54:11
P-1 factors
DateFactorB1B2
2024-08-07544777499994907283480535113810001488915582
History
DateUserTypeResult
2024-08-07Luke DurantF-PM1
Factor: 5447774999949072834805351 / (P-1, B1=1381000, B2=1488915582)
2023-04-19Tucker KaoNF
no factor from 2^77 to 2^78
2023-01-15Tucker KaoNF
no factor from 2^76 to 2^77
2018-02-27Oliver KruseNF
no factor from 2^72 to 2^76
2016-12-28Choi4KANGNF
no factor from 2^71 to 2^72
2016-09-24XolotlNF
no factor from 2^70 to 2^71
2016-09-13Smok_bmv NF
no factor from 2^69 to 2^70
2016-09-06Adam BuranNF
no factor from 2^68 to 2^69
2016-03-31XZTNF
no factor from 2^67 to 2^68
2015-06-04Jan KuipersNF
no factor from 2^66 to 2^67
2013-03-23tscNF
no factor from 2^65 to 2^66
2011-02-16sasaki3NF
no factor from 2^64 to 2^65
2010-07-08RichardNF
no factor from 2^63 to 2^64