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
224771Factored
FactorDigitsBitsDate
449543618.8old
20396057763942078994816079032890.72022-12-05 00:28:44
ECM
DigitsB1Curves
2550000280 / 280
30250000625 / 640
Estimated T-Level: 29.9 ⓘ
TF below 2^94 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified (Factored)2017-09-22Oliver Kruse91F1EA6D5F771C831013
Verified (Factored)2017-10-12kkmrkkblmbrbk91F1EA6D5F771C8316417713
Verified (Factored)2020-04-17Oliver KruseE5F33FD7196C57D0116105353
Verified (Factored)2022-05-12Jorge CoveiroE5F33FD7196C57D011321153
Verified2022-12-07LordJuliusE5F33FD7196C57D0212168053
History
DateUserTypeResult
2022-12-07Massimo Cappelli (ik5pwa)CERT
PRP Certification
Proof certified good
2022-12-07LordJuliusC-PRP
M224771/449543/2039605776394207899481607903 : E5F33FD7196C57D0
PRP proof power = 5
PRP: Verified
Proof certified good
2022-12-05_p95holder_F-ECM
Factor: 2039605776394207899481607903 / (ECM curve 5, B1=250000, B2=25000000)
2022-05-12Jorge CoveiroC-PRP
M224771/449543 : E5F33FD7196C57D0
PRP proof power = 5
PRP: Verified (Factored)
PRP proof never uploaded
2022-03-13Oliver KruseNF-PM1
B1=30000000, B2=10070832992220
2021-06-11Oliver KruseNF-PM1
B1=30000000, B2=3000000000
2020-04-17Oliver KruseC-PRP
M224771/449543 : E5F33FD7196C57D0
PRP: Verified (Factored)
PRP without proof (small exponent)
2017-10-12kkmrkkblmbrbkC-PRP
M224771/449543 : 91F1EA6D5F771C83
PRP: Verified (Factored)
PRP without proof (small exponent)
2017-09-22Oliver KruseC-PRP
M224771/449543 : 91F1EA6D5F771C83
PRP: Verified (Factored)
PRP without proof (not generated)
2017-09-22Oliver KruseC-PRP
M224771/449543 : 91F1EA6D5F771C83
PRP without proof (not generated)