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
42445901TF
No factors below 273
TF target 272
P-1
B1 = 635000
B2 = 635000
ECM
DigitsB1Curves
255000010 / 280
Estimated T-Level: 20.2 ⓘ
LL
StatusDateUserResidueShift
Verified2009-04-15David J. Stucki771EDB28C775027931692916
Verified2016-03-25basey771EDB28C775027935940727
History
DateUserTypeResult
2018-08-11-Anonymous-NF
no factor from 2^72 to 2^73
2016-03-25baseyC-LL
771EDB28C7750279
2015-08-29-Anonymous-NF
no factor from 2^71 to 2^72
2015-03-27David CampeauNF
no factor from 2^70 to 2^71
2015-02-09Andrew BNF
no factor from 2^69 to 2^70
2009-04-15David J. StuckiC-LL
771EDB28C7750279
2008-11-26BartNF-PM1
B1=635000