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

PrimeNet Exponent Status

Exponent Range:





MnDetails
2939
Composite, with 4 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 244
Assignments
AssignedUserWork TypeStage% DoneUpdatedEst CompleteExpired
2025-10-15PhyxickECM2025-10-151970-01-01
2025-10-15PhyxickECM2025-10-151970-01-01
2025-10-15PhyxickECM2025-10-151970-01-01
2025-10-15PhyxickECM2025-10-151970-01-01
2025-10-15PhyxickECM2025-10-151970-01-01
2025-10-15PhyxickECM2025-10-151970-01-01
2025-10-15PhyxickECM2025-10-151970-01-01
2025-10-15PhyxickECM2025-10-151970-01-01
2025-10-15PhyxickECM2025-10-151970-01-01
2025-10-15PhyxickECM2025-10-151970-01-01
2025-10-15PhyxickECM2025-10-151970-01-01
Factored
FactorDigitsBitsDate
5879412.5old
91627142454455698729263772582.9old
2046493428344534198009498176900986800553741133.9old
49327023448266349111507829645987049729065970719407414672957188.32020-02-15 02:16:50
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000009201 / 9201
504400000016550 / 16550
551100000006739 / 40830
Estimated T-Level: 50.8 ⓘ
TF below 2^164 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 KruseE930CE11364829AF3013
Factored
No proof (small exponent)
2017-10-02kkmrkkblmbrbkE930CE11364829AF3013
Factored
No proof (small exponent)
2017-12-07ATHE930CE11364829AF3188213
Verified
No proof (small exponent)
2020-02-16Jinyuan Wang98BE459B05C26E4F4230353
Verified
No proof (small exponent)
2020-02-18Luigi Morelli98BE459B05C26E4F4154753
Verified
No proof (small exponent)
2020-04-17Oliver Kruse98BE459B05C26E4F4166053
Factored
No proof (small exponent)
2022-05-12Jorge Coveiro98BE459B05C26E4F1221153
History
DateUserTypeResult
2025-04-21masserNF-PP1Start=97/53, B1=3100000000, B2=3096900000000
2024-06-22masserNF-PM1B1=100000000000, B2=33833747270993670
2023-08-28Kevin_9611NF-PM1B1=1600000000, B2=20708855507340
2023-08-28Kevin_9611NF-PM1B1=800000000, B2=14325745283850
2023-08-28Kevin_9611NF-PM1B1=400000000, B2=7792569174390
2023-08-28Kevin_9611NF-PM1B1=100000000, B2=9040735433730
2022-05-12Jorge CoveiroC-PRP
M2939/5879 : 98BE459B05C26E4F
2021-07-07ViliamFNF-PM1B1=1000000000, B2=191000000000
2020-04-17Oliver KruseC-PRP
M2939/5879/9162714245445569872926377/20464934283445341980094981769009868005537/493270234482663491115078296459870497290659707194074146729 : 98BE459B05C26E4F
2020-02-18Luigi MorelliC-PRP
M2939/5879/9162714245445569872926377/20464934283445341980094981769009868005537/493270234482663491115078296459870497290659707194074146729 : 98BE459B05C26E4F
2020-02-16Jinyuan WangC-PRP
M2939/5879/9162714245445569872926377/20464934283445341980094981769009868005537/493270234482663491115078296459870497290659707194074146729 : 98BE459B05C26E4F
2020-02-15Ryan PropperF-ECMFactor: 493270234482663491115078296459870497290659707194074146729
2017-12-07ATHC-PRPM2939/5879/9162714245445569872926377/20464934283445341980094981769009868005537 : E930CE11364829AF
2017-10-02kkmrkkblmbrbkC-PRPM2939/5879/9162714245445569872926377/20464934283445341980094981769009868005537 : E930CE11364829AF
2017-09-21Oliver KruseC-PRPM2939/known_factors : E930CE11364829AF