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
70124827Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 275
TF target 274
P-1
B1 = 640000
B2 = 13280000
LL
StatusDateUserResidueShift
Verified2016-10-27baseyF322A751F0877E5437630344
Verified2024-07-17Ryan PropperF322A751F0877E5469586896
History
DateUserTypeResult
2024-07-17Ryan PropperC-LL
F322A751F0877E54
2016-10-27baseyC-LL
F322A751F0877E54
2016-04-22-Anonymous-NF
no factor from 2^74 to 2^75
2015-01-24NesowaNF-PM1
B1=640000, B2=13280000, E=12
2015-01-17Jerry HallettNF
no factor from 2^73 to 2^74
2014-09-07RichD0NF
no factor from 2^72 to 2^73
2014-08-29srow7NF
no factor from 2^71 to 2^72
2009-06-03ahmeraliNF
no factor to 2^71