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

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
570683Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
20640787437973494411960.8old
ECM
DigitsB1Curves
2550000280 / 280
30250000210 / 640
Estimated T-Level: 26.6
TF below 2^83 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-27Oliver Kruse33E6B5922BE0BDD71013
Verified2017-09-28Oliver Kruse33E6B5922BE0BDD71013
Verified2017-11-08kkmrkkblmbrbk33E6B5922BE0BDD7113767813
Verified2020-04-19Oliver Kruse7AD2011C0A90360A139724853
Verified2025-01-13kkmrkkblmbrbk7AD2011C0A90360A143283853
History
DateUserTypeResult
2025-01-13Ethan O'ConnorCERT
PRP Certification
Proof certified good
2025-01-13kkmrkkblmbrbkC-PRP
M570683/2064078743797349441 : 7AD2011C0A90360A
PRP proof power = 6
PRP: Verified
Proof certified good
2022-12-13USAFSSNF-PM1
B1=1750000, B2=5675249580
2020-04-19Oliver KruseC-PRP
M570683/2064078743797349441 : 7AD2011C0A90360A
PRP: Verified
PRP without proof (small exponent)
2017-11-08kkmrkkblmbrbkC-PRP
M570683/2064078743797349441 : 33E6B5922BE0BDD7
PRP: Verified
PRP without proof (small exponent)
2017-09-28Oliver KruseC-PRP
M570683/2064078743797349441 : 33E6B5922BE0BDD7
PRP: Verified
PRP without proof (not generated)
2017-09-27Oliver KruseC-PRP
M570683/2064078743797349441 : 33E6B5922BE0BDD7
PRP: Verified
PRP without proof (not generated)