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
14009Factored
FactorDigitsBitsDate
40982233300966830095705664105684739645824165745148.22015-11-06 18:36:47
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000009201 / 9201
50440000002366 / 16550
Estimated T-Level: 45.7
TF below 2^147 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)Unknown69770
Verified (Factored)George Woltman9B5372634C2FE9770
Verified (Factored)Brian J. Beesley9B5372634C2FE9770
Verified (Factored)2015-04-11MadPoo9B5372634C2FE97711314
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-21Oliver Kruse7D206A1E79B9D0731013
Verified2017-10-02kkmrkkblmbrbk7D206A1E79B9D0731013
Verified2017-12-07ATH7D206A1E79B9D0731331313
Unverified2020-04-17Oliver Kruse8E6609D1122103__179253
History
DateUserTypeResult
2024-01-29-Anonymous-NF-PM1
B1=100000000000, B2=122154521813133810
2023-05-23JacobZNF-PM1
B1=7800000000, B2=32022192391138950
2020-04-17Oliver KruseC-PRP
M14009/409822333009668300957056641056847396458241657 : 8E6609D1122103__
PRP without proof (small exponent)
2017-12-07ATHC-PRP
M14009/409822333009668300957056641056847396458241657 : 7D206A1E79B9D073
PRP without proof (small exponent)
2017-10-02kkmrkkblmbrbkC-PRP
M14009/409822333009668300957056641056847396458241657 : 7D206A1E79B9D073
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M14009/409822333009668300957056641056847396458241657 : 7D206A1E79B9D073
PRP without proof (not generated)
2015-11-06Carsten KossendeyF-ECM
Factor: 409822333009668300957056641056847396458241657 / (ECM curve 1366, B1=11000000, B2=1100000000)
2015-08-27snme2pm1NF
no factor from 2^61 to 2^62
2015-04-11MadPooC-LL
9B5372634C2FE977
2013-03-04bcp19NF-PM1
B1=10000000000, B2=100000000000, E=12
2012-11-22bcp19NF
no factor from 2^60 to 2^61
2012-10-12JossNF-PM1
B1=626743736
2011-02-23kurlyNF-PM1
B1=500000000, B2=30000000000, E=12
2010-07-04George WoltmanNF
no factor from 2^59 to 2^60
2010-07-04George WoltmanNF
no factor from 2^58 to 2^59