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:





MnDetails
10979
Composite, with 5 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 244
Factored
FactorDigitsBitsDate
87833516.4old
270610393928.02008-08-26 19:58:33
109491048856571443.32008-08-26 19:58:33
4228094272175991548.62008-08-26 19:58:33
2310190062980398693565965641613097.52008-10-16 23:57:25
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000009201 / 9201
50440000002490 / 16550
Estimated T-Level: 45.8 ⓘ
TF below 2^147 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors		ShiftTypeBase
Verified
No proof (small exponent)
2017-09-21Oliver Kruse4C98AB8E88E6D6435013
Verified
No proof (small exponent)
2017-10-02kkmrkkblmbrbk4C98AB8E88E6D6435013
Verified
No proof (small exponent)
2017-10-12kkmrkkblmbrbk4C98AB8E88E6D643584013
Verified
No proof (small exponent)
2020-04-17Oliver Kruse5C4EB6E7584A11025211953
Verified
No proof (small exponent)
2024-07-01kkmrkkblmbrbk5C4EB6E7584A11025717653
History
DateUserTypeResult
2025-02-23masserNF-PP1Start=174/43, B1=640000000, B2=639360000000
2025-02-15masserNF-PP1Start=6/5, B1=640000000, B2=639360000000
2025-01-24masserNF-PP1Start=2/7, B1=640000000, B2=639360000000
2024-07-01kkmrkkblmbrbkC-PRPM10979/10949104885657/231019006298039869356596564161/270610393/422809427217599/87833 : 5C4EB6E7584A1102
2022-12-29-anonymous-NF-PM1B1=100000000000, B2=122192573512709700
2021-08-27Seth_TrNF-PM1B1=400000000
2020-04-17Oliver KruseC-PRPM10979/87833/270610393/10949104885657/422809427217599/231019006298039869356596564161 : 5C4EB6E7584A1102
2017-10-12kkmrkkblmbrbkC-PRPM10979/87833/270610393/10949104885657/422809427217599/231019006298039869356596564161 : 4C98AB8E88E6D643
2017-10-02kkmrkkblmbrbkC-PRPM10979/87833/270610393/10949104885657/422809427217599/231019006298039869356596564161 : 4C98AB8E88E6D643
2017-09-21Oliver KruseC-PRPM10979/87833/270610393/10949104885657/422809427217599/231019006298039869356596564161 : 4C98AB8E88E6D643
2016-09-07kkmrkkblmbrbkNF-PM1B1=100000000, B2=10000000000, E=12
2009-07-31-anonymous-F-PM1Factor: 260244047454106074562543433
2008-10-16-anonymous-F-ECMFactor: 231019006298039869356596564161
2008-08-26-anonymous-F-PM1Factor: 422809427217599
2008-08-26-anonymous-FFactor: 10949104885657
2008-08-26-anonymous-FFactor: 270610393