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
6719Composite, with 2 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
1290049720.3old
3422800505291238.3old
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000001299 / 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 Kruse968EB307DD4E87102013
Verified2017-10-12kkmrkkblmbrbk968EB307DD4E87102411313
Verified2020-04-17Oliver Kruse3F85EFF4AB7EA8EE2399253
Verified2024-02-03Wentao Huang3F85EFF4AB7EA8EE2447453
History
DateUserTypeResult
2024-02-03Wentao HuangC-PRP
M6719/1290049/342280050529 : 3F85EFF4AB7EA8EE
PRP: Verified
PRP without proof (small exponent)
2023-08-12-Anonymous-NF-PM1
B1=36000000000, B2=144600212653396500
2021-12-18Oliver KruseNF-PM1
B1=1000000000, B2=1080854750315340
2020-04-17Oliver KruseC-PRP
M6719/1290049/342280050529 : 3F85EFF4AB7EA8EE
PRP: Verified
PRP without proof (small exponent)
2017-10-12kkmrkkblmbrbkC-PRP
M6719/1290049/342280050529 : 968EB307DD4E8710
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M6719/1290049/342280050529 : 968EB307DD4E8710
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M6719/1290049/342280050529 : 968EB307DD4E8710
PRP without proof (not generated)