Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
345139Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
70268864932385111652.6old
ECM
DigitsB1Curves
2550000280 / 280
30250000533 / 640
Estimated T-Level: 29.2
TF below 2^92 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-23Oliver Kruse7B6911BF058955F51013
Verified2017-10-13Oliver Kruse7B6911BF058955F5119870913
Verified2017-12-13ATH7B6911BF058955F5129034813
Verified2020-04-18Oliver KruseB9C290BC8E43DCA8128160353
Verified2024-09-13kkmrkkblmbrbkB9C290BC8E43DCA8114292353
History
DateUserTypeResult
2024-09-13yuriy_5-1NF-PM1
B1=12000002, B2=1719523505700
2024-09-13Luke DurantCERT
PRP Certification
Proof certified good
2024-09-13kkmrkkblmbrbkC-PRP
M345139/7026886493238511 : B9C290BC8E43DCA8
PRP proof power = 5
PRP: Verified
Proof certified good
2023-11-16USAFSSNF-PM1
B1=1350000, B2=5367308100
2022-02-06Lisander ViaeneNF-PM1
B1=50000
2020-04-18Oliver KruseC-PRP
M345139/7026886493238511 : B9C290BC8E43DCA8
PRP: Verified
PRP without proof (small exponent)
2017-12-13ATHC-PRP
M345139/7026886493238511 : 7B6911BF058955F5
PRP: Verified
PRP without proof (small exponent)
2017-10-13Oliver KruseC-PRP
M345139/7026886493238511 : 7B6911BF058955F5
PRP: Verified
PRP without proof (small exponent)
2017-09-23Oliver KruseC-PRP
M345139/7026886493238511 : 7B6911BF058955F5
PRP: Verified
PRP without proof (not generated)
2017-09-22Oliver KruseC-PRP
M345139/7026886493238511 : 7B6911BF058955F5
PRP without proof (not generated)