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
63428843TF
No factors below 274
TF target 274
P-1
B1 = 605000
B2 = 12705000
LL
StatusDateUserResidueShift
Verified2014-02-07benbradley902A59E7B1BF900546849713
Verified2022-06-17Egor K902A59E7B1BF900559039638
History
DateUserTypeResult
2022-06-17Egor KC-LL
902A59E7B1BF9005
2016-02-23Mark RoseNF
no factor from 2^59 to 2^63
2014-02-07benbradleyC-LL
902A59E7B1BF9005
2013-11-10ChuckNF
no factor from 2^73 to 2^74
2013-09-09TheJudgerNF-PM1
B1=605000, B2=12705000, E=12
2013-06-12TheJudgerNF
no factor from 2^72 to 2^73
2013-06-12TheJudgerNF
no factor from 2^71 to 2^72
2012-09-09Bold_SeekerNF
no factor from 2^70 to 2^71
2011-12-26nadineNF
no factor from 2^69 to 2^70
2010-01-17Sturle SundeNF
no factor from 2^68 to 2^69
2010-01-15Sturle SundeNF
no factor from 2^67 to 2^68
2010-01-13Sturle SundeNF
no factor from 2^66 to 2^67
2009-11-10arnaudNF
no factor from 2^65 to 2^66
2009-09-04-Anonymous-NF
no factor from 2^64 to 2^65
2009-02-20Wojciech FlorekNF
no factor from 2^63 to 2^64