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
2083
Composite, with 5 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 244
Factored
FactorDigitsBitsDate
7269671722.8old
1085609651774440711640421162489919023996141133.0old
3323844968305506414368166167021555598067141134.62008-10-12 12:35:11
52488454708370809329472278662781927499509317405123351168.52019-10-11 13:57:45
418833241206450672539113395891646173158543932643054472259347161201.42020-09-06 20:48:13
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000009201 / 9201
504400000016550 / 16550
5511000000040830 / 40830
6026000000063977 / 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
Factored
No proof (small exponent)
2017-09-21Oliver KruseFE2333B014294F753013
Factored
No proof (small exponent)
2017-10-02kkmrkkblmbrbkFE2333B014294F753013
Factored
No proof (small exponent)
2017-12-07ATHFE2333B014294F753199413
Factored
No proof (small exponent)
2019-10-11Fan MingDD8CCEE33EC860C1463053
Factored
No proof (small exponent)
2019-10-12Chang Chia-TcheDD8CCEE33EC860C14193153
Factored
No proof (small exponent)
2020-04-17Oliver KruseDD8CCEE33EC860C14156853
Verified
No proof (small exponent)
2020-09-07atrenchDD8CCEE33EC860C15162153
Verified
No proof (small exponent)
2020-09-07jvangDD8CCEE33EC860C1530553
History
DateUserTypeResult
2025-03-31masserNF-PP1Start=197/23, B1=5300000000, B2=5294700000000
2024-04-21Ethan O'ConnorNF-PM1B1=650000000
2024-04-19masserNF-PM1B1=100000000000, B2=236039575394272650
2020-09-07jvangC-PRPM2083/7269671/10856096517744407116404211624899190239961/33238449683055064143681661670215555980671/524884547083708093294722786627819274995093174051233/4188332412064506725391133958916461731585439326430544722593471 : DD8CCEE33EC860C1
2020-09-07atrenchC-PRPM2083/7269671/10856096517744407116404211624899190239961/33238449683055064143681661670215555980671/524884547083708093294722786627819274995093174051233/4188332412064506725391133958916461731585439326430544722593471 : DD8CCEE33EC860C1
2020-09-06Ryan PropperF-ECMFactor: 4188332412064506725391133958916461731585439326430544722593471
2020-04-17Oliver KruseC-PRPM2083/7269671/10856096517744407116404211624899190239961/33238449683055064143681661670215555980671/524884547083708093294722786627819274995093174051233 : DD8CCEE33EC860C1
2019-10-12Chang Chia-TcheC-PRPM2083/7269671/10856096517744407116404211624899190239961/33238449683055064143681661670215555980671/524884547083708093294722786627819274995093174051233 : DD8CCEE33EC860C1
2019-10-11Fan MingC-PRPM2083/7269671/10856096517744407116404211624899190239961/33238449683055064143681661670215555980671/524884547083708093294722786627819274995093174051233 : DD8CCEE33EC860C1
2019-10-11Ryan PropperF-ECMFactor: 524884547083708093294722786627819274995093174051233
2017-12-07ATHC-PRPM2083/7269671/10856096517744407116404211624899190239961/33238449683055064143681661670215555980671 : FE2333B014294F75
2017-10-02kkmrkkblmbrbkC-PRPM2083/7269671/10856096517744407116404211624899190239961/33238449683055064143681661670215555980671 : FE2333B014294F75
2017-09-21Oliver KruseC-PRPM2083/known_factors : FE2333B014294F75
2016-09-08kkmrkkblmbrbkNF-PM1B1=500000000, B2=50000000000, E=12
2008-10-12-anonymous-F-ECMFactor: 33238449683055064143681661670215555980671