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
182813Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
50642857271032.2old
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
351000000281 / 1566
Estimated T-Level: 30.9
TF below 2^98 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-22Oliver Kruse12602B138CE7A2211013
Verified2017-10-12kkmrkkblmbrbk12602B138CE7A221117775013
Verified2020-04-17Oliver Kruse2D52494D091E02A1112672253
Verified2023-08-24USAFSS2D52494D091E02A116735853
History
DateUserTypeResult
2023-08-24Lukas HainCERT
PRP Certification
Proof certified good
2023-08-24USAFSSC-PRP
M182813/5064285727 : 2D52494D091E02A1
PRP proof power = 5
PRP: Verified
Proof certified good
2020-04-17Oliver KruseC-PRP
M182813/5064285727 : 2D52494D091E02A1
PRP: Verified
PRP without proof (small exponent)
2017-10-12kkmrkkblmbrbkC-PRP
M182813/5064285727 : 12602B138CE7A221
PRP: Verified
PRP without proof (small exponent)
2017-09-22Oliver KruseC-PRP
M182813/5064285727 : 12602B138CE7A221
PRP: Verified
PRP without proof (not generated)
2017-09-22Oliver KruseC-PRP
M182813/5064285727 : 12602B138CE7A221
PRP without proof (not generated)
2017-06-04kkmrkkblmbrbkNF-PM1
B1=100000000, B2=2000000000, E=12