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
10091Composite, with 4 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
20183514.3old
484369618.92008-08-26 19:58:30
243745527209563849983818187672994.32008-10-16 23:57:24
375520200490277231618324508071916134111.52008-11-22 12:25:27
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000001282 / 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 Kruse434EF55706C6FBF44013
Verified2017-10-02kkmrkkblmbrbk434EF55706C6FBF44013
Verified2017-10-12kkmrkkblmbrbk434EF55706C6FBF44373913
Verified2020-04-17Oliver Kruse3900DE738004DC334298953
Verified (Factored)2022-05-12Jorge Coveiro3900DE738004DC331140253
Verified2024-07-01kkmrkkblmbrbk3900DE738004DC334753753
History
DateUserTypeResult
2024-07-01kkmrkkblmbrbkC-PRP
M10091/20183/24374552720956384998381818767/3755202004902772316183245080719161/484369 : 3900DE738004DC33
PRP: Verified
PRP without proof (small exponent)
2022-05-12Jorge CoveiroC-PRP
M10091/20183 : 3900DE738004DC33
PRP: Verified
PRP without proof (small exponent)
2022-04-30-Anonymous-NF-PM1
B1=1000000000000, B2=1400200691488448850
2022-02-05-Anonymous-NF-PM1
B1=100000000000, B2=120002346399695760
2021-08-01ViliamFNF-PM1
B1=250000000, B2=40250000000
2021-04-22gLaussNF-PP1
Start=2/7, B1=10000000, B2=1000000000
2020-04-17Oliver KruseC-PRP
M10091/20183/484369/24374552720956384998381818767/3755202004902772316183245080719161 : 3900DE738004DC33
PRP: Verified
PRP without proof (small exponent)
2017-10-12kkmrkkblmbrbkC-PRP
M10091/20183/484369/24374552720956384998381818767/3755202004902772316183245080719161 : 434EF55706C6FBF4
PRP: Verified
PRP without proof (not generated)
2017-10-02kkmrkkblmbrbkC-PRP
M10091/20183/484369/24374552720956384998381818767/3755202004902772316183245080719161 : 434EF55706C6FBF4
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M10091/known_factors : 434EF55706C6FBF4
PRP without proof (not generated)
2016-09-07kkmrkkblmbrbkNF-PM1
B1=100000000, B2=10000000000, E=12
2008-11-22-Anonymous-F-ECM
Factor: 3755202004902772316183245080719161
2008-10-16-Anonymous-F-ECM
Factor: 24374552720956384998381818767
2008-08-26-Anonymous-F
Factor: 484369