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
2963
Composite, with 5 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 244
Factored
FactorDigitsBitsDate
5927412.5old
1374833720.4old
68747527826.0old
5963363235523003028454343672788.9old
228531675894194097654053717752192676869994753705335719743518361200.52020-02-07 12:11:32
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000009201 / 9201
504400000016550 / 16550
5511000000015894 / 40830
Estimated T-Level: 51.9 ⓘ
TF below 2^168 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors		ShiftTypeBase
Factored
No proof (small exponent)
2017-09-21Oliver Kruse76B25C0D0D4A7C1B4013
Factored
No proof (small exponent)
2017-10-02kkmrkkblmbrbk76B25C0D0D4A7C1B4013
Factored
No proof (small exponent)
2017-12-07ATH76B25C0D0D4A7C1B456213
Verified
No proof (small exponent)
2020-02-08Niels_Mache_Nextcloud9037B3EF8931300C5174353
Verified
No proof (small exponent)
2020-02-08Jinyuan Wang9037B3EF8931300C5121153
Verified
No proof (small exponent)
2020-02-09marssystems9037B3EF8931300C5202353
Verified
No proof (small exponent)
2020-04-17Oliver Kruse9037B3EF8931300C5195853
Factored
No proof (small exponent)
2022-05-12Jorge Coveiro9037B3EF8931300C1172853
History
DateUserTypeResult
2025-04-19masserNF-PP1Start=77/67, B1=3100000000, B2=3096900000000
2024-06-27masserNF-PM1B1=100000000000, B2=121043856381698250
2022-05-12Jorge CoveiroC-PRP
M2963/5927 : 9037B3EF8931300C
2021-07-07ViliamFNF-PM1B1=1000000000, B2=191000000000
2020-04-17Oliver KruseC-PRP
M2963/5927/1374833/68747527/596336323552300302845434367/2285316758941940976540537177521926768699947537053357197435183 : 9037B3EF8931300C
2020-02-09marssystemsC-PRP
M2963/5927/1374833/68747527/596336323552300302845434367/2285316758941940976540537177521926768699947537053357197435183 : 9037B3EF8931300C
2020-02-08Jinyuan WangC-PRP
M2963/5927/1374833/68747527/596336323552300302845434367/2285316758941940976540537177521926768699947537053357197435183 : 9037B3EF8931300C
2020-02-08Niels_Mache_NextcloudC-PRP
M2963/5927/1374833/68747527/596336323552300302845434367/2285316758941940976540537177521926768699947537053357197435183 : 9037B3EF8931300C
2020-02-07Ryan PropperF-ECMFactor: 2285316758941940976540537177521926768699947537053357197435183
2017-12-07ATHC-PRPM2963/5927/1374833/68747527/596336323552300302845434367 : 76B25C0D0D4A7C1B
2017-10-02kkmrkkblmbrbkC-PRPM2963/5927/1374833/68747527/596336323552300302845434367 : 76B25C0D0D4A7C1B
2017-09-21Oliver KruseC-PRPM2963/known_factors : 76B25C0D0D4A7C1B
2004-11-03-anonymous-FFactor: 560198517806422657