Marin Mersenne 2^P-1
Username
Password
Forgot password?
Black
Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
2293267Composite, with 2 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
22932671824.5old
37190627791340336145292271.72023-01-12 17:59:39
ECM
DigitsB1Curves
2550000280 / 280
3025000060 / 640
Estimated T-Level: 25.5
TF below 2^80 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified (Factored)2017-10-11Oliver KruseD0F2667B1805A4C51013
Verified (Factored)2017-11-22kkmrkkblmbrbkD0F2667B1805A4C5130013513
Verified2023-01-12Naegi Makoto1018F8E9E7D1C84E28946453
History
DateUserTypeResult
2023-01-12curtiscCERT
PRP Certification
Proof certified good
2023-01-12Naegi MakotoC-PRP
M2293267/22932671/3719062779134033614529 : 1018F8E9E7D1C84E
PRP proof power = 7
PRP: Verified
Proof certified good
2023-01-12Naegi MakotoF-ECM
Factor: 3719062779134033614529 / (ECM curve 6, B1=50000, B2=38914785, Sigma=4545437717818256)
2017-11-22kkmrkkblmbrbkC-PRP
M2293267/22932671 : D0F2667B1805A4C5
PRP: Verified (Factored)
PRP without proof (not generated)
2017-10-11Oliver KruseC-PRP
M2293267/22932671 : D0F2667B1805A4C5
PRP: Verified (Factored)
PRP without proof (not generated)
2016-04-24alpertronNF-PM1
B1=500000, B2=15000000, E=12