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
120091
Composite, with 4 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 244
Factored
FactorDigitsBitsDate
24577824071031.2old
59344168571032.52008-07-26 12:48:37
10105914655146022524496732579.72018-10-23 05:06:08
570997383279249743535633912685.62015-02-06 11:12:37
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
351000000467 / 1566
Estimated T-Level: 31.5 ⓘ
TF below 2^100 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 Kruse8798FD41682677553013
Factored
No proof (small exponent)
2017-10-09Chang Chia-Tche8798FD41682677553013
Factored
No proof (small exponent)
2017-10-13kkmrkkblmbrbk8798FD416826775537552313
Verified
No proof (small exponent)
2018-10-24storm55109F12B54C42BE3B5A44488953
Verified
No proof (small exponent)
2018-10-24kkmrkkblmbrbk9F12B54C42BE3B5A47211853
History
DateUserTypeResult
2026-01-08ViliamFNF-PM1B1=100000000, B2=2008794267480
2018-10-24kkmrkkblmbrbkC-PRPM120091/2457782407/5934416857/57099738327924974353563391/1010591465514602252449673 : 9F12B54C42BE3B5A
2018-10-24storm5510C-PRPM120091/2457782407/5934416857/57099738327924974353563391/1010591465514602252449673 : 9F12B54C42BE3B5A
2018-10-23Niels_Mache_NextcloudF-ECMFactor: 1010591465514602252449673
2017-10-13kkmrkkblmbrbkC-PRPM120091/2457782407/5934416857/57099738327924974353563391 : 8798FD4168267755
2017-10-09Chang Chia-TcheC-PRPM120091/known_factors : 8798FD4168267755
2017-09-21Oliver KruseC-PRPM120091/2457782407/5934416857/57099738327924974353563391 : 8798FD4168267755
2017-03-08kkmrkkblmbrbkNF-PM1B1=100000000, B2=2000000000, E=12
2015-02-06TJAOIF-ECMFactor: 57099738327924974353563391
2008-07-26J FeitsmaFFactor: 5934416857