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:





MnDetails
7789
Composite, with 2 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 244
Factored
FactorDigitsBitsDate
872369619.7old
1058343148971236.6old
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000009201 / 9201
50440000009879 / 16550
Estimated T-Level: 48.0
TF below 2^154 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Verified
No proof (small exponent)
2017-09-21Oliver KruseDFA196EF6437D1CC2013
Verified
No proof (small exponent)
2017-10-12kkmrkkblmbrbkDFA196EF6437D1CC2718413
Verified
No proof (small exponent)
2020-04-17Oliver Kruse0570A3E84464BB1C2101653
Verified
No proof (small exponent)
2024-02-03Wentao Huang0570A3E84464BB1C2538753
History
DateUserTypeResult
2025-05-27masserNF-PP1Start=109/31, B1=1300000000, B2=1298700000000
2024-12-10yuriy_5-1NF-PM1B1=24000000000, B2=93848103835646160
2024-02-03Wentao HuangC-PRPM7789/872369/105834314897 : 0570A3E84464BB1C
2021-07-09ViliamFNF-PM1B1=1000000000, B2=201000000000
2020-04-17Oliver KruseC-PRPM7789/872369/105834314897 : 0570A3E84464BB1C
2017-10-12kkmrkkblmbrbkC-PRPM7789/872369/105834314897 : DFA196EF6437D1CC
2017-09-21Oliver KruseC-PRPM7789/872369/105834314897 : DFA196EF6437D1CC
2017-09-21Oliver KruseC-PRPM7789/872369/105834314897 : DFA196EF6437D1CC