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
3299
Composite, with 4 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 244
Factored
FactorDigitsBitsDate
6599412.7old
19873177824.2old
1755190025815585431857.3old
4122353887675820947200745192788.4old
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000009201 / 9201
504400000016550 / 16550
5511000000014916 / 40830
Estimated T-Level: 51.8 ⓘ
TF below 2^167 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 KruseF7659D6D457E15BF4013
Verified
No proof (small exponent)
2017-10-02kkmrkkblmbrbkF7659D6D457E15BF4013
Verified
No proof (small exponent)
2017-12-07ATHF7659D6D457E15BF4268313
Verified
No proof (small exponent)
2020-04-17Oliver KruseB1D83BACBE8ECD324222353
Factored
No proof (small exponent)
2022-05-12Jorge CoveiroB1D83BACBE8ECD32151553
Verified
No proof (small exponent)
2024-02-03Wentao HuangB1D83BACBE8ECD324259453
History
DateUserTypeResult
2025-04-25masserNF-PP1Start=126/17, B1=3100000000, B2=3096900000000
2024-02-03Wentao HuangC-PRPM3299/6599/19873177/175519002581558543/412235388767582094720074519 : B1D83BACBE8ECD32
2022-05-12Jorge CoveiroC-PRPM3299/6599 : B1D83BACBE8ECD32
2022-03-16mikrNF-PM1B1=80000000000, B2=268799861365815780
2021-07-09ViliamFNF-PM1B1=1000000000, B2=191000000000
2020-04-17Oliver KruseC-PRPM3299/6599/19873177/175519002581558543/412235388767582094720074519 : B1D83BACBE8ECD32
2017-12-07ATHC-PRPM3299/6599/19873177/175519002581558543/412235388767582094720074519 : F7659D6D457E15BF
2017-10-02kkmrkkblmbrbkC-PRPM3299/6599/19873177/175519002581558543/412235388767582094720074519 : F7659D6D457E15BF
2017-09-21Oliver KruseC-PRPM3299/known_factors : F7659D6D457E15BF