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

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
12539Composite, with 4 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
100313616.6old
6677263283459291549.22008-08-26 19:58:37
34229866862401988871961.62008-08-29 02:24:31
269462836812645624914805150487066938539674343141.02023-05-11 11:33:26
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000001259 / 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
Verified (Factored)2017-09-21Oliver Kruse8317BA816586CDFE3013
Verified (Factored)2017-10-02kkmrkkblmbrbk8317BA816586CDFE3013
Verified (Factored)2017-12-07ATH8317BA816586CDFE31227513
Verified (Factored)2020-04-17Oliver Kruse0D489EB2A24864E13932153
Verified2023-05-11Anton Repko0D489EB2A24864E14892953
Verified2023-05-11retsu0D489EB2A24864E14416753
Verified2023-05-11retsu1DC61ECF28607DED4489055
Verified2023-05-11retsu1DC61ECF28607DED4966255
Verified2023-05-11retsuA5A6794DB19CF42C4212157
Verified2023-05-11retsuA5A6794DB19CF42C41110457
P-1 factors
DateFactorB1B2
2023-05-112694628368126456249148051504870669385396743100000000000120417199046794656
History
DateUserTypeResult
2023-05-11retsuC-PRP
M12539/100313/667726328345929/3422986686240198887/2694628368126456249148051504870669385396743 : A5A6794DB19CF42C
PRP: Verified
PRP without proof (small exponent)
2023-05-11retsuC-PRP
M12539/100313/667726328345929/3422986686240198887/2694628368126456249148051504870669385396743 : A5A6794DB19CF42C
PRP: Verified
PRP without proof (small exponent)
2023-05-11retsuC-PRP
M12539/100313/667726328345929/3422986686240198887/2694628368126456249148051504870669385396743 : 1DC61ECF28607DED
PRP: Verified
PRP without proof (small exponent)
2023-05-11retsuC-PRP
M12539/100313/667726328345929/3422986686240198887/2694628368126456249148051504870669385396743 : 1DC61ECF28607DED
PRP: Verified
PRP without proof (small exponent)
2023-05-11retsuC-PRP
M12539/100313/667726328345929/3422986686240198887/2694628368126456249148051504870669385396743 : 0D489EB2A24864E1
PRP: Verified
PRP without proof (small exponent)
2023-05-11Anton RepkoC-PRP
M12539/100313/667726328345929/3422986686240198887/2694628368126456249148051504870669385396743 : 0D489EB2A24864E1
PRP: Verified
PRP without proof (small exponent)
2023-05-11Anton RepkoF-PM1
Factor: 2694628368126456249148051504870669385396743 / (P-1, B1=100000000000, B2=120417199046794650)
2022-02-05JossNF-PM1
B1=1000000, B2=3910366209750
2020-04-17Oliver KruseC-PRP
M12539/100313/667726328345929/3422986686240198887 : 0D489EB2A24864E1
PRP: Verified
PRP without proof (small exponent)
2017-12-07ATHC-PRP
M12539/100313/667726328345929/3422986686240198887 : 8317BA816586CDFE
PRP: Verified
PRP without proof (small exponent)
2017-10-02kkmrkkblmbrbkC-PRP
M12539/100313/667726328345929/3422986686240198887 : 8317BA816586CDFE
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M12539/known_factors : 8317BA816586CDFE
PRP without proof (not generated)
2008-08-29-Anonymous-F-ECM
Factor: 3422986686240198887
2008-08-26-Anonymous-F-PM1
Factor: 667726328345929