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
125551Factored
FactorDigitsBitsDate
4681011146746841077364472478.62007-10-03 22:56:09
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
351000000217 / 1566
Estimated T-Level: 30.7
TF below 2^97 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-21Oliver Kruse4DAEAC3F9C8512F21013
Verified2017-10-13kkmrkkblmbrbk4DAEAC3F9C8512F219911513
Verified2020-04-17Oliver Kruse71FB010DBB5D06F311692153
Verified2024-02-03Wentao Huang71FB010DBB5D06F3111029753
History
DateUserTypeResult
2024-02-03Naegi MakotoCERT
PRP Certification
Proof certified good
2024-02-03Wentao HuangC-PRP
M125551/468101114674684107736447 : 71FB010DBB5D06F3
PRP proof power = 5
PRP: Verified
Proof certified good
2022-03-07LordJuliusNF
no factor from 2^54 to 2^55
2020-04-17Oliver KruseC-PRP
M125551/468101114674684107736447 : 71FB010DBB5D06F3
PRP: Verified
PRP without proof (small exponent)
2017-10-13kkmrkkblmbrbkC-PRP
M125551/468101114674684107736447 : 4DAEAC3F9C8512F2
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M125551/468101114674684107736447 : 4DAEAC3F9C8512F2
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M125551/468101114674684107736447 : 4DAEAC3F9C8512F2
PRP without proof (not generated)
2017-03-15kkmrkkblmbrbkNF-PM1
B1=100000000, B2=2000000000, E=12
2007-10-03Chad DavisF-ECM
Factor: 468101114674684107736447