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

PrimeNet Exponent Status

Exponent Range:










MnStatusDetails
8089Composite, with 2 known prime factors. Cofactor is composite.
Factored
FactorDigitsBitsDate
724044416284011446.0old
519351551041330742862750847151101346044064772146151.92025-01-06 22:52:34
ECM
DigitsB1Curves
2550000280 / 280
30250000640 / 640
3510000001566 / 1566
4030000004588 / 4588
45110000009201 / 9201
50440000009667 / 16550
Estimated T-Level: 47.9 ⓘ
TF below 2^154 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified (Factored)2017-09-21Oliver Kruse39E04C42301F7ACC1013
Verified (Factored)2017-10-12kkmrkkblmbrbk39E04C42301F7ACC1215913
Verified (Factored)2020-04-17Oliver Kruse33CB98B4EFD6C4AA1120253
Verified (Factored)2024-07-01kkmrkkblmbrbk33CB98B4EFD6C4AA1121553
Verified2025-01-06nordi33CB98B4EFD6C4AA2438753
History
DateUserTypeResult
2025-01-06nordiC-PRP
M8089/72404441628401/5193515510413307428627508471511013460440647721 : 33CB98B4EFD6C4AA
PRP: Verified
PRP without proof (small exponent)
2025-01-06nordiF-ECM
Factor: 5193515510413307428627508471511013460440647721 / (ECM curve 400, B1=110000000, B2=6083641994430, Edwards Sigma=5290959397416026)
2024-07-01kkmrkkblmbrbkC-PRP
M8089/72404441628401 : 33CB98B4EFD6C4AA
PRP: Verified
PRP without proof (small exponent)
2023-05-26JacobZNF-PM1
B1=73000000000, B2=299074993103236350
2021-12-16Lisander ViaeneNF-PM1
B1=100000000
2020-04-17Oliver KruseC-PRP
M8089/72404441628401 : 33CB98B4EFD6C4AA
PRP: Verified
PRP without proof (small exponent)
2017-10-12kkmrkkblmbrbkC-PRP
M8089/72404441628401 : 39E04C42301F7ACC
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M8089/72404441628401 : 39E04C42301F7ACC
PRP: Verified
PRP without proof (not generated)
2017-09-21Oliver KruseC-PRP
M8089/72404441628401 : 39E04C42301F7ACC
PRP without proof (not generated)