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
254027Factored
FactorDigitsBitsDate
45468696985636653574572271.92009-05-05 17:11:11
1606251111712466407449498519613097.02022-09-11 19:05:45
ECM
DigitsB1Curves
2550000280 / 280
30250000434 / 640
Estimated T-Level: 28.4
TF below 2^89 is very unlikely to find new factors due to ECM effort.
LL
StatusDateUserResidueShift
Verified (Factored)David Slowinski9AD0
Verified (Factored)Unknown09AD0
Verified (Factored)Brian J. Beesley45B12E8E135B89AD0
Verified (Factored)Eivind Triel45B12E8E135B89AD195999
Verified (Factored)2001-10-13Brian J. Beesley45B12E8E135B89AD49753
PRP Cofactor
StatusDateUserResidueNumber of
known factors
ShiftTypeBase
Verified (Factored)2017-09-22Oliver Kruse8ADA0BD6A53A071D1013
Verified (Factored)2017-10-12kkmrkkblmbrbk8ADA0BD6A53A071D124728013
Verified (Factored)2020-04-17Oliver Kruse8864742A48D7C3AF123156753
Verified2022-09-12seatsea8864742A48D7C3AF29494653
Verified2022-09-12seatsea8864742A48D7C3AF218417053
Verified2022-09-14_p95holder_8864742A48D7C3AF210451153
History
DateUserTypeResult
2022-09-14_p95holder_C-PRP
M254027/4546869698563665357457/160625111171246640744949851961 : 8864742A48D7C3AF
PRP: Verified
PRP without proof (small exponent)
2022-09-12qtdszwsCERT
PRP Certification
Proof certified good
2022-09-12seatseaC-PRP
M254027/4546869698563665357457/160625111171246640744949851961 : 8864742A48D7C3AF
PRP proof power = 5
PRP: Verified
Proof certified good
2022-09-12seatseaC-PRP
M254027/4546869698563665357457/160625111171246640744949851961 : 8864742A48D7C3AF
PRP proof power = 5
PRP: Verified
PRP proof never uploaded
2022-09-12LordJuliusNF
no factor from 2^63 to 2^64
2022-09-12LordJuliusNF
no factor from 2^62 to 2^63
2022-09-12LordJuliusNF
no factor from 2^61 to 2^62
2022-09-12LordJuliusNF
no factor from 2^60 to 2^61
2022-09-11_p95holder_F-ECM
Factor: 160625111171246640744949851961 / (ECM curve 3, B1=250000, B2=25000000)
2022-04-24Oliver KruseNF-PM1
B1=30000000, B2=10120247026890
2021-08-29Oliver KruseNF-PM1
B1=30000000, B2=3000000000, E=24
2020-04-17Oliver KruseC-PRP
M254027/4546869698563665357457 : 8864742A48D7C3AF
PRP: Verified
PRP without proof (small exponent)
2017-10-12kkmrkkblmbrbkC-PRP
M254027/4546869698563665357457 : 8ADA0BD6A53A071D
PRP: Verified
PRP without proof (small exponent)
2017-09-22Oliver KruseC-PRP
M254027/4546869698563665357457 : 8ADA0BD6A53A071D
PRP: Verified
PRP without proof (not generated)
2017-09-22Oliver KruseC-PRP
M254027/4546869698563665357457 : 8ADA0BD6A53A071D
PRP without proof (not generated)
2009-05-05Sturle SundeF-ECM
Factor: 4546869698563665357457
2009-01-24Sturle SundeNF
no factor from 2^59 to 2^60
2008-12-31Sturle SundeNF
no factor from 2^58 to 2^59