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
5783
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 244
Assignments
AssignedUserWork TypeStage% DoneUpdatedEst CompleteExpired
2026-02-21Graham BarnesECMC33S262.11 %2026-02-222026-02-23
Factored
FactorDigitsBitsDate
240684063328372916235619791639554879548140130.8old
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000009201 / 9201
50440000004625 / 16550
Estimated T-Level: 46.4
TF below 2^149 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusProofDateUserResidueNumber of
known factors
ShiftTypeBase
Verified
No proof (small exponent)
2017-09-21Oliver Kruse104CB25062E1D5AD1013
Verified
No proof (small exponent)
2017-10-02kkmrkkblmbrbk104CB25062E1D5AD1013
Verified
No proof (small exponent)
2017-12-07ATH104CB25062E1D5AD123113
Verified
No proof (small exponent)
2020-04-17Oliver Kruse721232BB8BE48F461453453
Verified
No proof (small exponent)
2024-02-03Wentao Huang721232BB8BE48F46116853
History
DateUserTypeResult
2025-05-26masserNF-PP1Start=175/53, B1=1500000000, B2=1498500000000
2025-04-13mikrNF-PM1B1=500000000000, B2=1735846492435555500
2024-02-03Wentao HuangC-PRPM5783/2406840633283729162356197916395548795481 : 721232BB8BE48F46
2023-07-20-anonymous-NF-PM1B1=43000000000, B2=180124832351714250
2021-07-05ViliamFNF-PM1B1=1000000000, B2=201000000000
2020-04-17Oliver KruseC-PRPM5783/2406840633283729162356197916395548795481 : 721232BB8BE48F46
2017-12-07ATHC-PRPM5783/2406840633283729162356197916395548795481 : 104CB25062E1D5AD
2017-10-02kkmrkkblmbrbkC-PRPM5783/2406840633283729162356197916395548795481 : 104CB25062E1D5AD
2017-09-21Oliver KruseC-PRPM5783/known_factors : 104CB25062E1D5AD
2003-01-16-anonymous-NF-PM1B1=4290000000
2002-12-31-anonymous-NFno factor TF: 1-57
2002-09-29-anonymous-NF-PM1B1=3221225472, B2=4290000000, E=48
2002-08-10-anonymous-NF-PM1B1=2147483648, B2=4290000000, E=48
2002-06-02-anonymous-NF-PM1B1=1073741824, B2=4290000000, E=48
2001-07-22-anonymous-NF-PM1B1=3000000000, B2=4290000000
2001-06-17-anonymous-NF-PM1B1=43000000, B2=4290000000
2001-02-11-anonymous-NF-PM1B1=1000000, B2=100000000
2000-08-10-anonymous-NFno factor TF: 1-56
2000-02-16-anonymous-NFno factor TF: 54-55
1999-12-30-anonymous-NFno factor TF: 53-54
1999-09-22-anonymous-NFno factor TF: 52-53