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
329557Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
23110292192404811651.0old
ECM
DigitsB1Curves
2550000280 / 280
30250000444 / 640
Estimated T-Level: 28.5
TF below 2^90 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-22Oliver Kruse2CFE04AD59C72D651013
Verified2017-10-13Oliver Kruse2CFE04AD59C72D65125445213
Verified2017-12-12ATH2CFE04AD59C72D65129952813
Verified2020-04-18Oliver Kruse65AE01F4657E057C123033053
Verified2024-09-06kkmrkkblmbrbk65AE01F4657E057C124546053
History
DateUserTypeResult
2024-09-18yuriy_5-1NF-PM1
B1=12000002, B2=1704299857260
2024-09-06Will KCERT
PRP Certification
Proof certified good
2024-09-06kkmrkkblmbrbkC-PRP
M329557/2311029219240481 : 65AE01F4657E057C
PRP proof power = 5
PRP: Verified
Proof certified good
2023-03-24Denial140NF-PM1
B1=1000000, B2=20563492950
2022-02-06Lisander ViaeneNF-PM1
B1=50000
2020-04-18Oliver KruseC-PRP
M329557/2311029219240481 : 65AE01F4657E057C
PRP: Verified
PRP without proof (small exponent)
2017-12-12ATHC-PRP
M329557/2311029219240481 : 2CFE04AD59C72D65
PRP: Verified
PRP without proof (small exponent)
2017-10-13Oliver KruseC-PRP
M329557/2311029219240481 : 2CFE04AD59C72D65
PRP: Verified
PRP without proof (small exponent)
2017-09-22Oliver KruseC-PRP
M329557/2311029219240481 : 2CFE04AD59C72D65
PRP: Verified
PRP without proof (not generated)
2017-09-22Oliver KruseC-PRP
M329557/2311029219240481 : 2CFE04AD59C72D65
PRP without proof (not generated)