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
10867
Composite, with 4 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 244
Factored
FactorDigitsBitsDate
260809618.0old
16469093463431340.62008-08-26 19:58:33
967752360167573374981115406235331102.92008-10-16 23:57:25
8283286016413303356526474114699430379168741135.92019-08-20 16:00:14
P-1 factors
DateFactorsB1B2
2022-12-29No new factors discovered100000000000122192573512709696
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000009201 / 9201
50440000002439 / 16550
Estimated T-Level: 45.7 ⓘ
TF below 2^147 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors		ShiftTypeBase
Factored
No proof (small exponent)
2017-09-21Oliver KruseE4A2CBB2F76CCBE53013
Factored
No proof (small exponent)
2017-10-02kkmrkkblmbrbkE4A2CBB2F76CCBE53013
Factored
No proof (small exponent)
2017-10-12kkmrkkblmbrbkE4A2CBB2F76CCBE53905913
Verified
No proof (small exponent)
2019-08-21mnd92984404D462E3E8E4284653
Verified
No proof (small exponent)
2019-08-21marssystems2984404D462E3E8E4245853
History
DateUserTypeResult
2025-02-22masserNF-PP1Start=154/29, B1=640000000, B2=639360000000
2025-02-16masserNF-PP1Start=6/5, B1=640000000, B2=639360000000
2025-01-24masserNF-PP1Start=2/7, B1=640000000, B2=639360000000
2022-12-29-anonymous-F-PM1Factor: 82832860164133033565264741146994303791687 / B1=100000000000, B2=122192573512709700
2019-08-21marssystemsC-PRP
M10867/260809/1646909346343/9677523601675733749811154062353/82832860164133033565264741146994303791687 : 2984404D462E3E8E
2019-08-21mnd9C-PRP
M10867/260809/1646909346343/9677523601675733749811154062353/82832860164133033565264741146994303791687 : 2984404D462E3E8E
2019-08-20_p95holder_F-ECMFactor: 82832860164133033565264741146994303791687 / ECM curve 4090, B1=3000000, B2=300000000, Montgomery Sigma=3176262810979290
2017-10-12kkmrkkblmbrbkC-PRPM10867/260809/1646909346343/9677523601675733749811154062353 : E4A2CBB2F76CCBE5
2017-10-02kkmrkkblmbrbkC-PRPM10867/260809/1646909346343/9677523601675733749811154062353 : E4A2CBB2F76CCBE5
2017-09-21Oliver KruseC-PRPM10867/260809/1646909346343/9677523601675733749811154062353 : E4A2CBB2F76CCBE5
2017-09-21Oliver KruseC-PRPM10867/260809/1646909346343/9677523601675733749811154062353 : E4A2CBB2F76CCBE5
2016-09-07kkmrkkblmbrbkNF-PM1B1=100000000, B2=10000000000, E=12
2008-10-16-anonymous-F-ECMFactor: 9677523601675733749811154062353
2008-08-26-anonymous-FFactor: 1646909346343