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
103880503Factored
FactorDigitsBitsDate
12483839416429655675317432580.02020-07-07 16:48:58
P-1 factors
DateFactorB1B2
2020-07-07124838394164296556753174382000015990000
History
DateUserTypeResult
2020-07-07TheJudgerF-PM1
Factor: 1248383941642965567531743 / (P-1, B1=820000, B2=15990000, E=12)
2020-05-11TheJudgerNF
no factor from 2^76 to 2^77
2020-05-11TheJudgerNF
no factor from 2^75 to 2^76
2020-05-11TheJudgerNF
no factor from 2^74 to 2^75
2019-08-27Niels_Mache_NextcloudNF
no factor from 2^73 to 2^74
2019-08-27Niels_Mache_NextcloudNF
no factor from 2^72 to 2^73
2014-12-22shaugeNF
no factor from 2^71 to 2^72
2014-07-29SMoffatNF
no factor from 2^70 to 2^71
2014-07-23technobuffalosNF
no factor from 2^69 to 2^70
2014-07-18technobuffalosNF
no factor from 2^68 to 2^69
2014-07-14technobuffalosNF
no factor from 2^67 to 2^68
2014-07-10technobuffalosNF
no factor from 2^66 to 2^67
2012-05-02omiXorpNF
no factor from 2^65 to 2^66
2010-08-24Torchwood InstituteNF
no factor from 2^64 to 2^65
2010-04-172knarfNF
no factor from 2^63 to 2^64