Marin Mersenne 2^P-1
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Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
52458631TF
No factors below 274
TF target 273
P-1
B1 = 500000
B2 = 8750000
LL
StatusDateUserResidueShift
Bad2013-10-10Chad FunderburgBDDB88AD67F6EFB740832443
Verified2019-09-11Alexey BusyginD995F258B26E70A83041422
Verified2019-10-21Ryan PropperD995F258B26E70A827229651
History
DateUserTypeResult
2019-10-21Ryan PropperC-LL
D995F258B26E70A8
2019-09-11Alexey BusyginC-LL
D995F258B26E70A8
2019-07-01-Anonymous-NF
no factor from 2^73 to 2^74
2016-01-14AirSquirrelsNF
no factor from 2^72 to 2^73
2013-10-10Chad FunderburgC-LL
BDDB88AD67F6EFB7
2012-03-26GrunwalderGIMPNF-PM1
B1=500000, B2=8750000
2012-03-05BdotNF
no factor from 2^71 to 2^72
2012-02-25XyzzyNF
no factor from 2^70 to 2^71
2011-10-28Craig MeyersNF
no factor from 2^69 to 2^70
2010-04-07ITSNF
no factor from 2^68 to 2^69
2009-04-24Antonio MolinaNF
no factor from 2^67 to 2^68
2009-04-12bayanneNF
no factor from 2^66 to 2^67
2009-04-11Steve_RichterNF
no factor from 2^65 to 2^66
2009-02-06KlickitatAvengerNF
no factor from 2^64 to 2^65
2008-11-05DerekNF
no factor to 2^64