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
11933Factored
FactorDigitsBitsDate
5936222399111239.1old
7855842707433863568195134232789.32008-10-16 23:57:25
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000001282 / 9201
Estimated T-Level: 40.7
TF below 2^130 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-21Oliver Kruse3EB9597309AC1FB02013
Verified2017-10-02kkmrkkblmbrbk3EB9597309AC1FB02013
Verified2017-12-07ATH3EB9597309AC1FB021116813
Unverified2020-04-17Oliver KruseE7E116229D083C__2306053
P-1 factors
DateFactorB1B2
2023-04-06785584270743386356819513423100000000000122192573512709696
History
DateUserTypeResult
2023-04-06-Anonymous-F-PM1
Factor: 785584270743386356819513423 / (P-1, B1=100000000000, B2=122192573512709700)
2020-04-17Oliver KruseC-PRP
M11933/593622239911/785584270743386356819513423 : E7E116229D083C__
PRP without proof (small exponent)
2017-12-07ATHC-PRP
M11933/593622239911/785584270743386356819513423 : 3EB9597309AC1FB0
PRP without proof (small exponent)
2017-10-02kkmrkkblmbrbkC-PRP
M11933/593622239911/785584270743386356819513423 : 3EB9597309AC1FB0
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M11933/593622239911/785584270743386356819513423 : 3EB9597309AC1FB0
PRP without proof (not generated)
2016-09-07kkmrkkblmbrbkNF-PM1
B1=100000000, B2=10000000000, E=12
2008-10-16-Anonymous-F-ECM
Factor: 785584270743386356819513423