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
7789Composite, with 2 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
872369619.7old
1058343148971236.6old
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000009201 / 9201
50440000002641 / 16550
Estimated T-Level: 45.8
TF below 2^147 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified2017-09-21Oliver KruseDFA196EF6437D1CC2013
Verified2017-10-12kkmrkkblmbrbkDFA196EF6437D1CC2718413
Verified2020-04-17Oliver Kruse0570A3E84464BB1C2101653
Verified2024-02-03Wentao Huang0570A3E84464BB1C2538753
History
DateUserTypeResult
2024-12-10yuriy5-1NF-PM1
B1=24000000000, B2=93848103835646160
2024-02-03Wentao HuangC-PRP
M7789/872369/105834314897 : 0570A3E84464BB1C
PRP: Verified
PRP without proof (small exponent)
2021-07-09ViliamFNF-PM1
B1=1000000000, B2=201000000000
2020-04-17Oliver KruseC-PRP
M7789/872369/105834314897 : 0570A3E84464BB1C
PRP: Verified
PRP without proof (small exponent)
2017-10-12kkmrkkblmbrbkC-PRP
M7789/872369/105834314897 : DFA196EF6437D1CC
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M7789/872369/105834314897 : DFA196EF6437D1CC
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M7789/872369/105834314897 : DFA196EF6437D1CC
PRP without proof (not generated)