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

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
1499Composite, with 2 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
2999411.6old
40045319619552740574833827727980933922122522524748158.12013-05-01 11:51:00
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000009201 / 9201
504400000016550 / 16550
5511000000040830 / 40830
60260000000105362 / 105362
6580000000046539 / 194238
Estimated T-Level: 61.2
TF below 2^198 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-21Oliver Kruse2F934FD08ED167FF2013
Verified2017-10-02kkmrkkblmbrbk2F934FD08ED167FF2013
Verified2017-12-07ATH2F934FD08ED167FF276613
Verified2020-04-17Oliver Kruse22510EACE5E252D8262953
Verified2020-08-12_p95holder_22510EACE5E252D82111753
Verified (Factored)2022-05-12Jorge Coveiro22510EACE5E252D8175553
Assigned
AssignedUserWork TypeStage% DoneUpdatedExpired
2024-11-10Mirrafactor ECM smallC112S286.34 % 2024-11-14
2024-11-10Mirrafactor ECM smallC107S20.00 % 2024-11-14
2024-11-10Mirrafactor ECM smallC122S20.00 % 2024-11-14
2024-11-10Mirrafactor ECM smallC121S189.53 % 2024-11-14
2024-11-10Mirrafactor ECM smallC119S129.69 % 2024-11-14
2024-11-10Mirrafactor ECM smallC124S159.34 % 2024-11-14
2024-11-04Mirrafactor ECM smallC277S153.46 % 2024-11-14
2024-11-04Mirrafactor ECM smallC297S20.00 % 2024-11-14
2024-11-04Mirrafactor ECM smallC284S167.74 % 2024-11-14
2024-11-04Mirrafactor ECM smallC325S11.98 % 2024-11-14
2024-11-04Mirrafactor ECM smallC317S128.54 % 2024-11-14
2024-11-04Mirrafactor ECM smallC341S20.00 % 2024-11-14
History
DateUserTypeResult
2022-05-12Jorge CoveiroC-PRP
M1499/2999 : 22510EACE5E252D8
PRP: Verified (Factored)
PRP without proof (small exponent)
2021-07-21ViliamFNF-PP1
Start=2/7, B1=1000000000, B2=221000000000
2021-03-27nordiNF-PM1
B1=1000000000000, B2=2232843418649129478
2020-08-12_p95holder_C-PRP
M1499/2999/400453196195527405748338277279809339221225225247 : 22510EACE5E252D8
PRP: Verified (Factored)
PRP without proof (small exponent)
2020-04-17Oliver KruseC-PRP
M1499/2999/400453196195527405748338277279809339221225225247 : 22510EACE5E252D8
PRP: Verified (Factored)
PRP without proof (small exponent)
2017-12-07ATHC-PRP
M1499/2999/400453196195527405748338277279809339221225225247 : 2F934FD08ED167FF
PRP: Verified (Factored)
PRP without proof (small exponent)
2017-10-02kkmrkkblmbrbkC-PRP
M1499/2999/400453196195527405748338277279809339221225225247 : 2F934FD08ED167FF
PRP: Verified (Factored)
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M1499/known_factors : 2F934FD08ED167FF
PRP without proof (not generated)
2016-09-07kkmrkkblmbrbkNF-PM1
B1=1000000000, B2=100000000000, E=12
2013-05-01Never Odd Or EvenF-ECM
Factor: 400453196195527405748338277279809339221225225247