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
8753
Composite, with 2 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 244
Factored
FactorDigitsBitsDate
363170835122574975112065.0old
366454381246061052425077414105205251337121.52018-06-07 18:42:06
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000009201 / 9201
50440000008240 / 16550
Estimated T-Level: 47.5 ⓘ
TF below 2^153 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 Kruse5C4D83089796A0D21013
Factored
No proof (small exponent)
2017-10-12kkmrkkblmbrbk5C4D83089796A0D21534213
Verified
No proof (small exponent)
2018-06-09Oliver Kruse984311B24970CF6E2461853
Verified
No proof (small exponent)
2018-06-09Daniil Tsarkov984311B24970CF6E2512653
Factored
No proof (small exponent)
2018-06-15nokno7389C70274FB2E361013
History
DateUserTypeResult
2025-04-30masserNF-PP1Start=182/17, B1=1000000000, B2=999000000000
2023-08-07JacobZNF-PM1B1=67000000000, B2=265422648792401100
2021-12-16ANONYMOUSNF-PM1B1=100000000
2018-06-15noknoC-PRPM8753/known_factors : 7389C70274FB2E36
2018-06-09Daniil TsarkovC-PRPM8753/36317083512257497511/3664543812460610524250774141052052513 : 984311B24970CF6E
2018-06-09Oliver KruseC-PRPM8753/36317083512257497511/3664543812460610524250774141052052513 : 984311B24970CF6E
2018-06-07James HintzF-ECMFactor: 3664543812460610524250774141052052513
2017-10-12kkmrkkblmbrbkC-PRPM8753/36317083512257497511 : 5C4D83089796A0D2
2017-09-21Oliver KruseC-PRPM8753/36317083512257497511 : 5C4D83089796A0D2
2017-09-21Oliver KruseC-PRPM8753/36317083512257497511 : 5C4D83089796A0D2