Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
46219Composite, with 2 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
7125906600856682039292169.3old
86779709883866456346051844072892.82016-09-02 08:13:00
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
403000000691 / 4588
Estimated T-Level: 35.8
TF below 2^114 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-21Oliver Kruse806BDE2C33108CED2013
Verified2017-09-21Oliver Kruse806BDE2C33108CED2013
Verified2017-11-06kkmrkkblmbrbk806BDE2C33108CED23741413
Verified2020-04-17Oliver KruseCB077BE89BCB156E2648553
Verified2024-07-01kkmrkkblmbrbkCB077BE89BCB156E22361253
History
DateUserTypeResult
2024-12-10masserNF-PP1
Start=151/71, B1=45000000, B2=44955000000
2024-12-06masserNF-PP1
Start=2/7, B1=45000000, B2=44955000000
2024-11-28masserNF-PP1
Start=6/5, B1=45000000, B2=44955000000
2024-07-01kkmrkkblmbrbkC-PRP
M46219/712590660085668203929/8677970988386645634605184407 : CB077BE89BCB156E
PRP: Verified
PRP without proof (small exponent)
2023-04-27JacobZNF-PM1
B1=770000000, B2=564018444539550
2020-04-17Oliver KruseC-PRP
M46219/712590660085668203929/8677970988386645634605184407 : CB077BE89BCB156E
PRP: Verified
PRP without proof (small exponent)
2017-11-06kkmrkkblmbrbkC-PRP
M46219/712590660085668203929/8677970988386645634605184407 : 806BDE2C33108CED
PRP: Verified
PRP without proof (small exponent)
2017-09-21Oliver KruseC-PRP
M46219/712590660085668203929/8677970988386645634605184407 : 806BDE2C33108CED
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M46219/712590660085668203929/8677970988386645634605184407 : 806BDE2C33108CED
PRP without proof (not generated)
2016-09-26kkmrkkblmbrbkNF-PM1
B1=100000000, B2=2000000000, E=12
2016-09-02TJAOIF-ECM
Factor: 8677970988386645634605184407