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
51330821TF
No factors below 274
TF target 273
P-1
B1 = 600000
B2 = 15900000
LL
StatusDateUserResidueShift
Verified2012-05-14-Anonymous-D42CBAF9E36BACAE3912827
Verified2019-07-20Ilya GutkovskiyD42CBAF9E36BACAE20524731
History
DateUserTypeResult
2019-07-20Ilya GutkovskiyC-LL
D42CBAF9E36BACAE
2019-07-10-Anonymous-NF
no factor from 2^73 to 2^74
2015-12-27AirSquirrelsNF
no factor from 2^72 to 2^73
2012-05-14-Anonymous-C-LL
D42CBAF9E36BACAE
2012-02-24Roy OswaldNF
no factor from 2^70 to 2^72
2011-11-14Kevin JagetNF
no factor from 2^69 to 2^70
2011-02-20Lonnie ChristensenNF-PM1
B1=600000, B2=15900000
2008-12-06Team Prime RibNF
no factor to 2^69