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
70124797Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 275
TF target 274
P-1
B1 = 640000
B2 = 13280000
LL
StatusDateUserResidueShift
Verified2016-10-31ShnobelC782456F4F96DCA515102395
Verified2024-07-17Ryan PropperC782456F4F96DCA568575046
History
DateUserTypeResult
2024-07-17Ryan PropperC-LL
C782456F4F96DCA5
2016-10-31ShnobelC-LL
C782456F4F96DCA5
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
2013-04-09tmorrowNF
no factor from 2^70 to 2^71
2009-06-16tscNF
no factor to 2^70