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
2848823Factored
FactorDigitsBitsDate
667616884027371445.9old
329454244359188215034412374.82023-02-01 18:44:50
ECM
DigitsB1Curves
25500003 / 280
Estimated T-Level: 20.1 ⓘ
TF below 2^62 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified (Factored)2017-10-22Oliver Kruse1D8D95BAF895EB9E150079953
Verified (Factored)2017-12-07kkmrkkblmbrbk1D8D95BAF895EB9E1171116753
Verified2023-02-02LordJulius1D8D95BAF895EB9E2264030853
P-1 factors
DateFactorB1B2
2023-02-0132945424435918821503441360000296091180
History
DateUserTypeResult
2023-02-02James HeinrichCERT
PRP Certification
Proof certified good
2023-02-02LordJuliusC-PRP
M2848823/66761688402737/32945424435918821503441 : 1D8D95BAF895EB9E
PRP proof power = 7
PRP: Verified
Proof certified good
2023-02-01USAFSSF-PM1
Factor: 32945424435918821503441 / (P-1, B1=360000, B2=296091180)
2023-01-29Lisander ViaeneNF-PM1
B1=72000, B2=281496600
2017-12-07kkmrkkblmbrbkC-PRP
M2848823/66761688402737 : 1D8D95BAF895EB9E
PRP: Verified (Factored)
PRP without proof (not generated)
2017-10-22Oliver KruseC-PRP
M2848823/66761688402737 : 1D8D95BAF895EB9E
PRP: Verified (Factored)
PRP without proof (not generated)