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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Exponent Range:










MnStatusDetails
52556561TF
No factors below 273
TF target 273
P-1
B1 = 610000
B2 = 14640000
LL
StatusDateUserResidueShift
Verified2012-09-03Odd-Bjørn Lunde322C7B855427ED1250385440
Verified2019-05-31d3zorg322C7B855427ED1232065472
History
DateUserTypeResult
2019-05-31d3zorgC-LL
322C7B855427ED12
2016-02-09AirSquirrelsNF
no factor from 2^72 to 2^73
2012-09-03Odd-Bjørn LundeC-LL
322C7B855427ED12
2012-03-17Craig MeyersNF
no factor from 2^69 to 2^72
2010-09-01GrunwalderGIMPNF
no factor from 2^68 to 2^69
2010-08-30Pi_RhoNF-PM1
B1=610000, B2=14640000
2009-06-28arnaudNF
no factor from 2^67 to 2^68
2009-02-18Alan NishiokaNF
no factor from 2^66 to 2^67
2009-02-14sk_steeleNF
no factor from 2^65 to 2^66
2009-02-11sk_steeleNF
no factor from 2^64 to 2^65
2008-11-17DerekNF
no factor to 2^64