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
346639Factored
FactorDigitsBitsDate
24847083531031.2old
ECM
DigitsB1Curves
2550000280 / 280
30250000200 / 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
Verified2017-09-23Oliver KruseBC914BEBD2606B681013
Verified2017-10-13Oliver KruseBC914BEBD2606B68110172413
Verified2017-12-13ATHBC914BEBD2606B68117041613
Unverified (Reliable)2020-04-18Oliver Kruse4E3DF7130F7D67__18754553
Assigned
AssignedUserWork TypeStage% DoneUpdatedExpired
2024-03-15-Anonymous-factor ECM smallC1S20.00 % 2024-04-26
History
DateUserTypeResult
2024-02-16Denial140NF-PM1
B1=1000000, B2=8866035360
2023-11-11Gabriel LignelliNF-PM1
B1=70000
2022-02-06Lisander ViaeneNF-PM1
B1=50000
2020-04-18Oliver KruseC-PRP
M346639/2484708353 : 4E3DF7130F7D67__
PRP: Unverified (Reliable)
PRP without proof (small exponent)
2017-12-13ATHC-PRP
M346639/2484708353 : BC914BEBD2606B68
PRP: Unverified (Reliable)
PRP without proof (small exponent)
2017-10-13Oliver KruseC-PRP
M346639/2484708353 : BC914BEBD2606B68
PRP: Unverified (Reliable)
PRP without proof (small exponent)
2017-09-23Oliver KruseC-PRP
M346639/2484708353 : BC914BEBD2606B68
PRP: Unverified (Reliable)
PRP without proof (not generated)
2017-09-22Oliver KruseC-PRP
M346639/2484708353 : BC914BEBD2606B68
PRP without proof (not generated)