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
454417
Composite, with 3 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 244
Factored
FactorDigitsBitsDate
367168937928.5old
42303639512150145197272271.82015-04-24 10:40:02
488222476718212341744131532685.32018-12-07 13:04:33
ECM
DigitsB1Curves
2550000280 / 280
30250000263 / 640
Estimated T-Level: 27.1 ⓘ
TF below 2^85 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors		ShiftTypeBase
Factored
No proof (small exponent)
2017-09-25Oliver Kruse84E300BD9FC000652013
Factored
No proof (small exponent)
2017-09-27Oliver Kruse84E300BD9FC000652013
Factored
No proof (small exponent)
2017-11-09kkmrkkblmbrbk84E300BD9FC0006527873213
Verified
No proof (small exponent)
2018-12-07Oliver Kruse131CE9BCC8A9E88A326902853
Verified
No proof (small exponent)
2018-12-08storm5510131CE9BCC8A9E88A319421453
History
DateUserTypeResult
2018-12-08storm5510C-PRPM454417/367168937/4230363951215014519727/48822247671821234174413153 : 131CE9BCC8A9E88A
2018-12-07Oliver KruseC-PRPM454417/367168937/4230363951215014519727/48822247671821234174413153 : 131CE9BCC8A9E88A
2018-12-07TJAOIF-ECMFactor: 48822247671821234174413153
2017-11-09kkmrkkblmbrbkC-PRPM454417/367168937/4230363951215014519727 : 84E300BD9FC00065
2017-09-27Oliver KruseC-PRPM454417/367168937/4230363951215014519727 : 84E300BD9FC00065
2017-09-25Oliver KruseC-PRPM454417/367168937/4230363951215014519727 : 84E300BD9FC00065
2016-03-17alpertronNF-PM1B1=3000000, B2=100000000, E=12
2015-04-24TJAOIF-ECMFactor: 4230363951215014519727