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
11677Composite, with 3 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
61377815111032.5old
501308372654723291755.52008-08-29 02:24:28
9189894864206178672260639563613099.52017-03-08 01:55:19
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000001294 / 9201
Estimated T-Level: 40.7
TF below 2^130 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-21Oliver Kruse89AB6ACF5872C3033013
Verified2017-10-02kkmrkkblmbrbk89AB6ACF5872C3033013
Verified2017-12-07ATH89AB6ACF5872C3033254113
Verified2020-04-17Oliver Kruse6F4B1CF40072C53A3432153
Verified2024-07-01kkmrkkblmbrbk6F4B1CF40072C53A3756053
History
DateUserTypeResult
2024-07-01kkmrkkblmbrbkC-PRP
M11677/50130837265472329/6137781511/918989486420617867226063956361 : 6F4B1CF40072C53A
PRP: Verified
PRP without proof (small exponent)
2023-01-20-Anonymous-NF-PM1
B1=100000000000, B2=122192573512709700
2020-04-17Oliver KruseC-PRP
M11677/6137781511/50130837265472329/918989486420617867226063956361 : 6F4B1CF40072C53A
PRP: Verified
PRP without proof (small exponent)
2017-12-07ATHC-PRP
M11677/6137781511/50130837265472329/918989486420617867226063956361 : 89AB6ACF5872C303
PRP: Verified
PRP without proof (small exponent)
2017-10-02kkmrkkblmbrbkC-PRP
M11677/6137781511/50130837265472329/918989486420617867226063956361 : 89AB6ACF5872C303
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M11677/6137781511/50130837265472329/918989486420617867226063956361 : 89AB6ACF5872C303
PRP without proof (not generated)
2017-03-08kkmrkkblmbrbkF-ECM
Factor: 918989486420617867226063956361 / (ECM curve 404, B1=1000000, B2=100000000)
2016-09-07kkmrkkblmbrbkNF-PM1
B1=100000000, B2=10000000000, E=12
2008-08-29-Anonymous-F-ECM
Factor: 50130837265472329