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:










MnStatusDetails
4160437Factored
FactorDigitsBitsDate
45980148741829392731962.02011-01-20 19:50:05
2967123985743057034751772478.02023-01-25 09:34:46
ECM
DigitsB1Curves
25500003 / 280
Estimated T-Level: 20.1
TF below 2^62 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)David Bass9F8F9A21548FD43A0
Verified (Factored)1999-10-29Jesse Williamson9F8F9A21548FD43A89736
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified (Factored)2017-09-20kkmrkkblmbrbk1AE5E7DB3186330A1013
Verified (Factored)2018-01-15Oliver Kruse1AE5E7DB3186330A175648013
Verified2023-01-31TravisJank31BC1BD64AC9C3E62270378553
P-1 factors
DateFactorB1B2
2023-01-25296712398574305703475177336000227966310
History
DateUserTypeResult
2023-01-31MathEnthousiastCERT
PRP Certification
Proof certified good
2023-01-31TravisJankC-PRP
M4160437/4598014874182939273/296712398574305703475177 : 31BC1BD64AC9C3E6
PRP proof power = 7
PRP: Verified
Proof certified good
2023-01-25USAFSSF-PM1
Factor: 296712398574305703475177 / (P-1, B1=336000, B2=227966310)
2018-01-15Oliver KruseC-PRP
M4160437/4598014874182939273 : 1AE5E7DB3186330A
PRP: Verified (Factored)
PRP without proof (not generated)
2017-09-20kkmrkkblmbrbkC-PRP
M4160437/4598014874182939273 : 1AE5E7DB3186330A
PRP: Verified (Factored)
PRP without proof (not generated)
2011-01-20Grant McCrackenF
Factor: 4598014874182939273
2009-08-01Carsten KossendeyNF-PM1
B1=25000, B2=325000