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
4327
Composite, with 4 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 244
Factored
FactorDigitsBitsDate
946574521929.8old
3545367527712491548.3old
1615104374096755031857.2old
62131616586225452358260372141509583203139128.92020-09-30 15:48:30
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000009201 / 9201
504400000016550 / 16550
5511000000014551 / 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
Factored
No proof (small exponent)
2017-09-21Oliver Kruse08ECBE5F22C5E8AB3013
Factored
No proof (small exponent)
2017-10-02kkmrkkblmbrbk08ECBE5F22C5E8AB3013
Factored
No proof (small exponent)
2017-12-07ATH08ECBE5F22C5E8AB3260913
Factored
No proof (small exponent)
2020-04-17Oliver Kruse56BC5AF53E8E68EE3337053
Verified
No proof (small exponent)
2020-10-01mnd956BC5AF53E8E68EE486853
Verified
No proof (small exponent)
2020-10-03fre_games56BC5AF53E8E68EE4229753
History
DateUserTypeResult
2025-05-15masserNF-PP1Start=158/19, B1=2100000000, B2=2097900000000
2023-05-20-anonymous-NF-PM1B1=74000000000, B2=741754046177194050
2021-07-05ViliamFNF-PM1B1=1000000000, B2=201000000000
2020-10-03fre_gamesC-PRPM4327/946574521/354536752771249/161510437409675503/621316165862254523582603721415095832031 : 56BC5AF53E8E68EE
2020-10-01mnd9C-PRPM4327/946574521/354536752771249/161510437409675503/621316165862254523582603721415095832031 : 56BC5AF53E8E68EE
2020-09-30Ryan PropperF-ECMFactor: 621316165862254523582603721415095832031
2020-04-17Oliver KruseC-PRPM4327/946574521/354536752771249/161510437409675503 : 56BC5AF53E8E68EE
2017-12-07ATHC-PRPM4327/946574521/354536752771249/161510437409675503 : 08ECBE5F22C5E8AB
2017-10-02kkmrkkblmbrbkC-PRPM4327/946574521/354536752771249/161510437409675503 : 08ECBE5F22C5E8AB
2017-09-21Oliver KruseC-PRPM4327/known_factors : 08ECBE5F22C5E8AB