Marin Mersenne 2^P-1
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GIMPS
Finding World Record Primes Since 1996

PrimeNet Exponent Status

Exponent Range:





MnDetails
2339
Composite, with 7 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 244
Factored
FactorDigitsBitsDate
4679412.2old
299393618.2old
1445503720.5old
124068054071537253083692373.4old
31243227331202652706958136576580221401097849745147.82012-06-08 22:22:05
238466418065898061243829839384860990196495538363349160.72012-07-22 23:12:03
726274510633792226035214062553632207986524096251634709203958192.22019-10-09 16:04:12
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000009201 / 9201
504400000016550 / 16550
5511000000040830 / 40830
6026000000060964 / 105362
Estimated T-Level: 57.9 ⓘ
TF below 2^187 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 Kruse78E4F0A4E74355076013
Factored
No proof (small exponent)
2017-10-02kkmrkkblmbrbk78E4F0A4E74355076013
Factored
No proof (small exponent)
2017-12-07ATH78E4F0A4E74355076153513
Verified
No proof (small exponent)
2019-10-10mnd9E9F74DAFDF222486781953
Verified
No proof (small exponent)
2019-10-12GANE9F74DAFDF2224867160453
Verified
No proof (small exponent)
2020-04-17Oliver KruseE9F74DAFDF222486781653
Factored
No proof (small exponent)
2022-05-12Jorge CoveiroE9F74DAFDF2224861233453
History
DateUserTypeResult
2025-06-02masserNF-PM1B1=130000000000, B2=1307025977369712600
2025-04-05masserNF-PP1Start=152/23, B1=4400000000, B2=4395600000000
2023-08-24LordJuliusNF-PM1B1=13000000000, B2=35233795348001250
2022-05-12Jorge CoveiroC-PRP
M2339/4679 : E9F74DAFDF222486
2020-04-17Oliver KruseC-PRP
M2339/4679/299393/1445503/12406805407153725308369/312432273312026527069581365765802214010978497/2384664180658980612438298393848609901964955383633/7262745106337922260352140625536322079865240962516347092039 : E9F74DAFDF222486
2019-10-12GANC-PRP
M2339/4679/299393/1445503/12406805407153725308369/312432273312026527069581365765802214010978497/2384664180658980612438298393848609901964955383633/7262745106337922260352140625536322079865240962516347092039 : E9F74DAFDF222486
2019-10-10mnd9C-PRP
M2339/4679/299393/1445503/12406805407153725308369/312432273312026527069581365765802214010978497/2384664180658980612438298393848609901964955383633/7262745106337922260352140625536322079865240962516347092039 : E9F74DAFDF222486
2019-10-09Ryan PropperF-ECMFactor: 7262745106337922260352140625536322079865240962516347092039
2017-12-07ATHC-PRPM2339/4679/299393/1445503/12406805407153725308369/312432273312026527069581365765802214010978497/2384664180658980612438298393848609901964955383633 : 78E4F0A4E7435507
2017-10-02kkmrkkblmbrbkC-PRPM2339/4679/299393/1445503/12406805407153725308369/312432273312026527069581365765802214010978497/2384664180658980612438298393848609901964955383633 : 78E4F0A4E7435507
2017-09-21Oliver KruseC-PRPM2339/known_factors : 78E4F0A4E7435507
2016-09-09kkmrkkblmbrbkNF-PM1B1=500000000, B2=50000000000, E=12
2014-06-05hksaFFactor: 2024947111418041
2012-07-22Michael KennF-ECMFactor: 2384664180658980612438298393848609901964955383633
2012-06-08Michael KennF-ECMFactor: 312432273312026527069581365765802214010978497
2009-10-25Carsten KossendeyFFactor: 2024947111418041