Marin Mersenne 2^P-1
Username
Password
Forgot password?
Black
Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
79207967Composite: proven not-prime with Lucas-Lehmer test
TF
No factors below 275
TF target 275
P-1
B1 = 665000
B2 = 13300000
LL
StatusDateUserResidueShift
Verified2018-05-19Dmitriy Degtiarev9FC283FCD7B2EB8A35406370
Verified2025-03-12-Anonymous-9FC283FCD7B2EB8A19350547
History
DateUserTypeResult
2025-03-12-Anonymous-C-LL
9FC283FCD7B2EB8A
2018-05-19Dmitriy DegtiarevC-LL
9FC283FCD7B2EB8A
2016-08-21David HruskaNF-PM1
B1=665000, B2=13300000, E=12
2016-08-01Mark RoseNF
no factor from 2^74 to 2^75
2016-07-24Mark RoseNF
no factor from 2^73 to 2^74
2016-07-22hiner112NF
no factor from 2^72 to 2^73
2016-04-05Mark RoseNF
no factor from 2^64 to 2^65
2016-04-04Mark RoseNF
no factor from 2^63 to 2^64
2016-02-18DerekNF
no factor from 2^71 to 2^72
2013-07-13SMoffatNF
no factor from 2^70 to 2^71
2013-01-25Alex DiamantopuloNF
no factor from 2^69 to 2^70
2013-01-24Cow_tippingNF
no factor from 2^69 to 2^70
2013-01-22Cow_tippingNF
no factor from 2^68 to 2^69
2012-09-26AxelssonNF
no factor from 2^67 to 2^68
2011-05-31Carsten KossendeyNF
no factor from 2^66 to 2^67
2010-11-16kagakubuNF
no factor from 2^65 to 2^66