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
9043
Composite, with 2 known prime factors. Cofactor is composite.
Trial Factored to 268
TF target 244
Factored
FactorDigitsBitsDate
372685180091135.1old
121422739631981807654253763213038131937119.92018-05-19 15:37:25
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000009201 / 9201
50440000006485 / 16550
Estimated T-Level: 47.0 ⓘ
TF below 2^151 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 Kruse10AA3276093755181013
Factored
No proof (small exponent)
2017-10-12kkmrkkblmbrbk10AA3276093755181260413
Verified
No proof (small exponent)
2018-05-19axn4DAA5F6728B761EB2479053
Verified
No proof (small exponent)
2018-05-19kkmrkkblmbrbk4DAA5F6728B761EB2731953
Verified
No proof (small exponent)
2018-05-19Gabriel Lignelli4DAA5F6728B761EB2463753
Factored
No proof (small exponent)
2018-05-23nokno468FC1FC8E5823821013
History
DateUserTypeResult
2025-04-21masserNF-PP1Start=105/71, B1=1000000000, B2=999000000000
2023-07-18JacobZNF-PM1B1=64000000000, B2=263527252205367150
2021-12-16ANONYMOUSNF-PM1B1=100000000
2018-05-23noknoC-PRPM9043/known_factors : 468FC1FC8E582382
2018-05-19Gabriel LignelliC-PRPM9043/37268518009/1214227396319818076542537632130381319 : 4DAA5F6728B761EB
2018-05-19kkmrkkblmbrbkC-PRPM9043/37268518009/1214227396319818076542537632130381319 : 4DAA5F6728B761EB
2018-05-19axnC-PRPM9043/37268518009/1214227396319818076542537632130381319 : 4DAA5F6728B761EB
2018-05-19HexaflexagonF-ECMFactor: 1214227396319818076542537632130381319
2017-10-12kkmrkkblmbrbkC-PRPM9043/37268518009 : 10AA327609375518
2017-09-21Oliver KruseC-PRPM9043/37268518009 : 10AA327609375518
2017-09-21Oliver KruseC-PRPM9043/37268518009 : 10AA327609375518