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
2027309Factored
FactorDigitsBitsDate
30652912091031.5old
6653610913050011675292169.22022-05-10 13:00:16
ECM
DigitsB1Curves
2550000280 / 280
30250000164 / 640
Estimated T-Level: 26.3 ⓘ
TF below 2^82 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified (Factored)2017-10-06Oliver Kruse029A1BB5CEB3BE3F1013
Verified (Factored)2017-11-14kkmrkkblmbrbk029A1BB5CEB3BE3F194406413
Verified2022-05-10aperson1FE380ACB2EDAB80C270488153
History
DateUserTypeResult
2022-05-10doctor_eCERT
PRP Certification
Proof certified good
2022-05-10aperson1C-PRP
M2027309/3065291209/665361091305001167529 : FE380ACB2EDAB80C
PRP proof power = 7
PRP: Verified
Proof certified good
2022-05-10_p95holder_F-ECM
Factor: 665361091305001167529 / (ECM curve 3, B1=50000, B2=5000000)
2017-11-14kkmrkkblmbrbkC-PRP
M2027309/3065291209 : 029A1BB5CEB3BE3F
PRP: Verified (Factored)
PRP without proof (not generated)
2017-10-06Oliver KruseC-PRP
M2027309/3065291209 : 029A1BB5CEB3BE3F
PRP: Verified (Factored)
PRP without proof (not generated)
2016-03-16alpertronNF-PM1
B1=500000, B2=15000000, E=12