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
184727Composite, with 1 known prime factor. Cofactor is composite.
Factored
FactorDigitsBitsDate
6212084010067778419512169.1old
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
351000000287 / 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 KruseB45343C46300D2791013
Verified2017-10-12kkmrkkblmbrbkB45343C46300D279112612913
Verified2020-04-17Oliver KruseB017EDE7963CAC33113930953
Verified2023-08-24USAFSSB017EDE7963CAC3316733653
History
DateUserTypeResult
2023-08-24curtiscCERT
PRP Certification
Proof certified good
2023-08-24USAFSSC-PRP
M184727/621208401006777841951 : B017EDE7963CAC33
PRP proof power = 5
PRP: Verified
Proof certified good
2020-04-17Oliver KruseC-PRP
M184727/621208401006777841951 : B017EDE7963CAC33
PRP: Verified
PRP without proof (small exponent)
2017-10-12kkmrkkblmbrbkC-PRP
M184727/621208401006777841951 : B45343C46300D279
PRP: Verified
PRP without proof (small exponent)
2017-09-22Oliver KruseC-PRP
M184727/621208401006777841951 : B45343C46300D279
PRP: Verified
PRP without proof (not generated)
2017-09-22Oliver KruseC-PRP
M184727/621208401006777841951 : B45343C46300D279
PRP without proof (not generated)
2017-07-05kkmrkkblmbrbkNF-PM1
B1=100000000, B2=2000000000, E=12