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
8011Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
80111516.3old
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000006358 / 9201
Estimated T-Level: 43.5
TF below 2^139 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-21Oliver Kruse47AD84A7121EEAF31013
Verified2017-10-12kkmrkkblmbrbk47AD84A7121EEAF31138113
Verified2020-04-17Oliver Kruse9CBBDEF911E653CE1121053
Verified2024-07-01kkmrkkblmbrbk9CBBDEF911E653CE1344153
History
DateUserTypeResult
2024-07-01kkmrkkblmbrbkC-PRP
M8011/80111 : 9CBBDEF911E653CE
PRP: Verified
PRP without proof (small exponent)
2023-06-01JacobZNF-PM1
B1=74000000000, B2=302392782203912400
2020-04-17Oliver KruseC-PRP
M8011/80111 : 9CBBDEF911E653CE
PRP: Verified
PRP without proof (small exponent)
2017-10-12kkmrkkblmbrbkC-PRP
M8011/80111 : 47AD84A7121EEAF3
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M8011/80111 : 47AD84A7121EEAF3
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M8011/80111 : 47AD84A7121EEAF3
PRP without proof (not generated)