Marin Mersenne 2^P-1
Username
Password
Forgot password?
Blue
Great Internet Mersenne Prime Search
GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
8467Factored
FactorDigitsBitsDate
203209617.6old
6655063722.7old
59105925591032.5old
1773999312077028270383742020867618522066341133.72018-02-15 23:40:09
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000009201 / 9201
50440000009517 / 16550
Estimated T-Level: 47.9
TF below 2^154 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified (Factored)2017-09-21Oliver Kruse594D5CAAF54F56713013
Verified (Factored)2017-10-12kkmrkkblmbrbk594D5CAAF54F56713306213
Verified2018-02-17AdolfNorDFEEE59319691EAA4506053
Verified2018-02-18Oliver KruseDFEEE59319691EAA4643153
History
DateUserTypeResult
2023-08-20JacobZNF-PM1
B1=69000000000, B2=265422648792401100
2021-12-16Lisander ViaeneNF-PM1
B1=100000000
2018-02-18Oliver KruseC-PRP
M8467/203209/6655063/5910592559/17739993120770282703837420208676185220663 : DFEEE59319691EAA
PRP: Verified
PRP without proof (small exponent)
2018-02-17AdolfNorC-PRP
M8467/203209/6655063/5910592559/17739993120770282703837420208676185220663 : DFEEE59319691EAA
PRP: Verified
PRP without proof (small exponent)
2018-02-15James HintzF-ECM
Factor: 17739993120770282703837420208676185220663 / (ECM curve 2246, B1=3000000, B2=300000000)
2017-10-12kkmrkkblmbrbkC-PRP
M8467/203209/6655063/5910592559 : 594D5CAAF54F5671
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M8467/203209/6655063/5910592559 : 594D5CAAF54F5671
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M8467/203209/6655063/5910592559 : 594D5CAAF54F5671
PRP without proof (not generated)