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
354911Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
709823619.4old
ECM
DigitsB1Curves
2550000280 / 280
30250000520 / 640
Estimated T-Level: 29.1
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 Kruse0BC9729526A143461013
Verified2017-10-13Oliver Kruse0BC9729526A1434617978813
Verified2017-12-15ATH0BC9729526A1434612898213
Verified2020-04-18Oliver Kruse2E1F59A24811570E134791453
Verified2022-05-12Jorge Coveiro2E1F59A24811570E16471653
Verified2024-12-31kkmrkkblmbrbk2E1F59A24811570E124249153
History
DateUserTypeResult
2024-12-31PoaoCERT
PRP Certification
Proof certified good
2024-12-31kkmrkkblmbrbkC-PRP
M354911/709823 : 2E1F59A24811570E
PRP proof power = 5
PRP: Verified
Proof certified good
2024-09-17yuriy_5-1NF-PM1
B1=12000002, B2=1719523505700
2023-12-03USAFSSNF-PM1
B1=1530000, B2=5367308100
2022-05-12Jorge CoveiroC-PRP
M354911/709823 : 2E1F59A24811570E
PRP proof power = 5
PRP: Verified
PRP proof never uploaded
2022-02-06Lisander ViaeneNF-PM1
B1=50000
2020-04-18Oliver KruseC-PRP
M354911/709823 : 2E1F59A24811570E
PRP: Verified
PRP without proof (small exponent)
2017-12-15ATHC-PRP
M354911/709823 : 0BC9729526A14346
PRP: Verified
PRP without proof (small exponent)
2017-10-13Oliver KruseC-PRP
M354911/709823 : 0BC9729526A14346
PRP: Verified
PRP without proof (small exponent)
2017-09-23Oliver KruseC-PRP
M354911/709823 : 0BC9729526A14346
PRP: Verified
PRP without proof (not generated)
2017-09-23Oliver KruseC-PRP
M354911/709823 : 0BC9729526A14346
PRP without proof (not generated)