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
282679Factored
FactorDigitsBitsDate
54745429939191342.3old
83739566211671342.92008-07-21 09:15:51
302750658952764841561929192684.62021-11-30 02:56:21
ECM
DigitsB1Curves
2550000280 / 280
30250000512 / 640
Estimated T-Level: 29.0
TF below 2^91 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified (Factored)2017-09-22Oliver Kruse3B7C23B7873DC79C2013
Verified (Factored)2017-10-12Oliver Kruse3B7C23B7873DC79C211772113
Verified (Factored)2017-11-06kkmrkkblmbrbk3B7C23B7873DC79C215767813
Verified (Factored)2020-04-17Oliver Kruse7CD7D87C1AFAF4FA23310253
Verified2021-12-01mnd97CD7D87C1AFAF4FA315337553
Verified2021-12-02_p95holder_7CD7D87C1AFAF4FA37603053
History
DateUserTypeResult
2023-02-15USAFSSNF-PM1
B1=3500000, B2=18264117300
2022-02-06Lisander ViaeneNF-PM1
B1=50000
2021-12-02Miika WalliusCERT
PRP Certification
Proof certified good
2021-12-02_p95holder_C-PRP
M282679/5474542993919/8373956621167/30275065895276484156192919 : 7CD7D87C1AFAF4FA
PRP: Verified
PRP without proof (small exponent)
2021-12-01mnd9C-PRP
M282679/5474542993919/8373956621167/30275065895276484156192919 : 7CD7D87C1AFAF4FA
PRP proof power = 5
PRP: Verified
Proof certified good
2021-11-30_p95holder_F-ECM
Factor: 30275065895276484156192919 / (ECM curve 3, B1=250000, B2=25000000)
2020-04-17Oliver KruseC-PRP
M282679/5474542993919/8373956621167 : 7CD7D87C1AFAF4FA
PRP: Verified
PRP without proof (small exponent)
2017-11-06kkmrkkblmbrbkC-PRP
M282679/5474542993919/8373956621167 : 3B7C23B7873DC79C
PRP: Verified
PRP without proof (small exponent)
2017-10-12Oliver KruseC-PRP
M282679/5474542993919/8373956621167 : 3B7C23B7873DC79C
PRP: Verified
PRP without proof (small exponent)
2017-09-22Oliver KruseC-PRP
M282679/5474542993919/8373956621167 : 3B7C23B7873DC79C
PRP: Verified
PRP without proof (not generated)
2017-09-22Oliver KruseC-PRP
M282679/5474542993919/8373956621167 : 3B7C23B7873DC79C
PRP without proof (not generated)
2008-07-21J FeitsmaF
Factor: 8373956621167