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:










MnStatusDetails
1846609Factored
FactorDigitsBitsDate
244320780852787411692064.42008-10-19 21:50:52
ECM
DigitsB1Curves
2550000280 / 280
30250000106 / 640
Estimated T-Level: 25.8 ⓘ
TF below 2^81 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)Jens J Loesel2D12CDB7D32DC6580
Verified (Factored)1998-12-27Nikolay Tehov2D12CDB7D32DC6581453818
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2017-10-04Oliver KruseEB4F123CA1FA98991013
Verified2017-11-06kkmrkkblmbrbkEB4F123CA1FA9899169790813
History
DateUserTypeResult
2022-08-27USAFSSNF-PM1
B1=400000, B2=431631816
2022-04-12Lisander ViaeneNF-PM1
B1=500100
2017-11-06kkmrkkblmbrbkC-PRP
M1846609/24432078085278741169 : EB4F123CA1FA9899
PRP: Verified
PRP without proof (not generated)
2017-10-04Oliver KruseC-PRP
M1846609/24432078085278741169 : EB4F123CA1FA9899
PRP: Verified
PRP without proof (not generated)
2008-10-19Scott KurowskiF-ECM
Factor: 24432078085278741169