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
55091521TF
No factors below 274
TF target 273
P-1
B1 = 580000
B2 = 12905000
LL
StatusDateUserResidueShift
Bad2012-08-02Brian Barbagallo4D7AC4383FA8A29353684690
Verified2012-10-06MDTDLV607B251790C3813150126667
Verified2016-10-03MadPoo607B251790C3813125799889
History
DateUserTypeResult
2021-11-13LordJuliusNF
no factor from 2^73 to 2^74
2016-10-03MadPooC-LL
607B251790C38131
2015-07-29Mark RoseNF
no factor from 2^72 to 2^73
2012-10-06MDTDLVC-LL
607B251790C38131
2012-08-02Brian BarbagalloC-LL
4D7AC4383FA8A293
2012-06-10XyzzyNF
no factor from 2^71 to 2^72
2012-03-11Brian ChanNF-PM1
B1=580000, B2=12905000
2011-09-11TheJudgerNF
no factor from 2^70 to 2^71
2011-07-22ddboy3NF
no factor from 2^69 to 2^70
2011-06-15XyzzyNF
no factor from 2^68 to 2^69
2009-07-20lindedNF
no factor from 2^67 to 2^68
2009-03-08BIGMATHNF
no factor from 2^66 to 2^67
2009-01-01-Anonymous-NF
no factor from 2^65 to 2^66
2008-12-31WebiNF
no factor from 2^64 to 2^65
2008-08-04-Anonymous-NF
no factor to 2^64