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
242797Factored
FactorDigitsBitsDate
170270034789474324732063.92007-08-27 17:32:10
ECM
DigitsB1Curves
2550000280 / 280
30250000473 / 640
Estimated T-Level: 28.7 ⓘ
TF below 2^90 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified2017-09-22Oliver KruseF9DD680F812311501013
Verified2017-10-12kkmrkkblmbrbkF9DD680F81231150110301313
Verified2020-04-17Oliver KruseEE10A4342969B4D1122782953
Verified2024-02-03Wentao HuangEE10A4342969B4D1112167253
History
DateUserTypeResult
2024-02-03Naegi MakotoCERT
PRP Certification
Proof certified good
2024-02-03Wentao HuangC-PRP
M242797/17027003478947432473 : EE10A4342969B4D1
PRP proof power = 5
PRP: Verified
Proof certified good
2022-04-09Oliver KruseNF-PM1
B1=30000000, B2=10120247026890
2022-03-07LordJuliusNF
no factor from 2^54 to 2^55
2021-07-22Oliver KruseNF-PM1
B1=30000000, B2=3000000000, E=24
2020-04-17Oliver KruseC-PRP
M242797/17027003478947432473 : EE10A4342969B4D1
PRP: Verified
PRP without proof (small exponent)
2017-10-12kkmrkkblmbrbkC-PRP
M242797/17027003478947432473 : F9DD680F81231150
PRP: Verified
PRP without proof (small exponent)
2017-09-22Oliver KruseC-PRP
M242797/17027003478947432473 : F9DD680F81231150
PRP: Verified
PRP without proof (not generated)
2017-09-22Oliver KruseC-PRP
M242797/17027003478947432473 : F9DD680F81231150
PRP without proof (not generated)
2007-08-27Chad DavisF-ECM
Factor: 17027003478947432473