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
1429
Composite, with 1 known prime factor. Cofactor is composite.
Trial Factored to 268
TF target 244
Assignments
AssignedUserWork TypeStage% DoneUpdatedEst CompleteExpired
2026-01-20treborECMC1S22026-01-282026-02-01
Factored
FactorDigitsBitsDate
17577669585571278501087083532890.5old
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000009201 / 9201
504400000016550 / 16550
5511000000040830 / 40830
6026000000044350 / 105362
Estimated T-Level: 57.1
TF below 2^185 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 Kruse6C2AADEC078FE4621013
Verified
No proof (small exponent)
2017-10-12kkmrkkblmbrbk6C2AADEC078FE462192213
Verified
No proof (small exponent)
2020-04-17Oliver KruseBDE7644AF42A36AE1110953
Verified
No proof (small exponent)
2020-08-12_p95holder_BDE7644AF42A36AE159253
History
DateUserTypeResult
2021-07-20ViliamFNF-PP1Start=2/7, B1=1000000000, B2=221000000000
2021-03-27nordiNF-PM1B1=1000000000000, B2=2232843418649129478
2020-08-12_p95holder_C-PRPM1429/1757766958557127850108708353 : BDE7644AF42A36AE
2020-04-17Oliver KruseC-PRPM1429/1757766958557127850108708353 : BDE7644AF42A36AE
2017-10-12kkmrkkblmbrbkC-PRPM1429/1757766958557127850108708353 : 6C2AADEC078FE462
2017-09-21Oliver KruseC-PRPM1429/1757766958557127850108708353 : 6C2AADEC078FE462
2017-09-21Oliver KruseC-PRPM1429/1757766958557127850108708353 : 6C2AADEC078FE462
2016-09-07kkmrkkblmbrbkNF-PM1B1=1000000000, B2=100000000000, E=12
2009-10-25Carsten KossendeyF-PM1Factor: 1757766958557127850108708353