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
2039
Composite, with 5 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 244
Factored
FactorDigitsBitsDate
4079412.0old
5724785341191239.1old
4361245012931388515592168.6old
84516323006634045785000009772892.8old
1295451612239960552681948355151259718509308401344436753173.12009-01-25 15:06:14
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000009201 / 9201
504400000016550 / 16550
5511000000040830 / 40830
6026000000064261 / 105362
Estimated T-Level: 58.0 ⓘ
TF below 2^188 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 Kruse3D714AA8BEBD49CC5013
Verified
No proof (small exponent)
2017-10-02kkmrkkblmbrbk3D714AA8BEBD49CC5013
Verified
No proof (small exponent)
2017-12-07ATH3D714AA8BEBD49CC5101113
Verified
No proof (small exponent)
2020-04-17Oliver Kruse9F8DA0825853CD8F596153
Verified
No proof (small exponent)
2020-08-12_p95holder_9F8DA0825853CD8F5157153
Factored
No proof (small exponent)
2022-05-12Jorge Coveiro9F8DA0825853CD8F1178953
History
DateUserTypeResult
2025-03-29masserNF-PP1Start=101/11, B1=12500000000, B2=12487500000000
2024-04-14masserNF-PM1B1=100000000000, B2=283619659924350750
2022-05-12Jorge CoveiroC-PRPM2039/4079 : 9F8DA0825853CD8F
2020-08-12_p95holder_C-PRPM2039/4079/572478534119/436124501293138851559/8451632300663404578500000977/12954516122399605526819483551512597185093084013444367 : 9F8DA0825853CD8F
2020-04-17Oliver KruseC-PRPM2039/4079/572478534119/436124501293138851559/8451632300663404578500000977/12954516122399605526819483551512597185093084013444367 : 9F8DA0825853CD8F
2017-12-07ATHC-PRPM2039/4079/572478534119/436124501293138851559/8451632300663404578500000977/12954516122399605526819483551512597185093084013444367 : 3D714AA8BEBD49CC
2017-10-02kkmrkkblmbrbkC-PRPM2039/4079/572478534119/436124501293138851559/8451632300663404578500000977/12954516122399605526819483551512597185093084013444367 : 3D714AA8BEBD49CC
2017-09-21Oliver KruseC-PRPM2039/known_factors : 3D714AA8BEBD49CC
2016-09-07kkmrkkblmbrbkNF-PM1B1=500000000, B2=50000000000, E=12
2009-10-25Carsten KossendeyFFactor: 2335139940671401
2009-01-25-anonymous-F-ECMFactor: 12954516122399605526819483551512597185093084013444367