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
75143573Factored
FactorDigitsBitsDate
106167019786092729993145692683.12015-12-04 19:33:29
20947513576396530512193556557956029736117.32015-12-04 19:33:29
P-1 factors
DateFactorB1B2
2015-12-04222393508833473654026016453184279306632248949018331740606699364500012255000
History
DateUserTypeResult
2015-12-04Jwb52zF-PM1
Factor: 2223935088334736540260164531842793066322489490183317406066993 / (P-1, B1=645000, B2=12255000)
2015-12-03dh1NF
no factor from 2^74 to 2^75
2015-11-301997rj7NF
no factor from 2^73 to 2^74
2015-11-301997rj7NF
no factor from 2^72 to 2^73
2015-08-31Judge HaleNF
no factor from 2^71 to 2^72
2014-03-15SMoffatNF
no factor from 2^70 to 2^71
2013-05-17SMoffatNF
no factor from 2^69 to 2^70
2010-08-06unconnectedNF
no factor from 2^68 to 2^69
2010-08-03eon_blue_apocalypseNF
no factor from 2^67 to 2^68
2010-08-01ANONYMOUSNF
no factor from 2^66 to 2^67
2010-07-29spazNF
no factor from 2^65 to 2^66