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
318007Factored
FactorDigitsBitsDate
761384271942231446.1old
2719224316101252711857.92014-03-10 17:42:27
424914738996961715272940853372995.12021-05-24 17:17:55
ECM
DigitsB1Curves
2550000280 / 280
30250000284 / 640
Estimated T-Level: 27.2 ⓘ
TF below 2^85 is very unlikely to find new factors due to ECM effort.
PRP Cofactor
StatusDateUserResidueNumber of
known factors		ShiftTypeBase
Verified (Factored)2017-09-22Oliver Kruse5CF65FEDFFB7AC1A2013
Verified (Factored)2017-10-13Oliver Kruse5CF65FEDFFB7AC1A224289113
Verified (Factored)2017-12-11ATH5CF65FEDFFB7AC1A229461813
Verified (Factored)2020-04-18Oliver Kruse6D2DA6CE81BEE68125421753
Verified2021-05-24mikr6D2DA6CE81BEE681322379053
Verified2021-05-25RichD06D2DA6CE81BEE68138383753
P-1 factors
DateFactorB1B2
2021-05-2442491473899696171527294085337150000001305000000
History
DateUserTypeResult
2021-05-25QuevvyCERT
PRP Certification
Proof certified good
2021-05-25RichD0C-PRP
M318007/76138427194223/271922431610125271/42491473899696171527294085337 : 6D2DA6CE81BEE681
PRP proof power = 5
PRP: Verified
Proof certified good
2021-05-24Simon JosefssonCERT
PRP Certification
Proof certified good
2021-05-24mikrC-PRP
M318007/76138427194223/271922431610125271/42491473899696171527294085337 : 6D2DA6CE81BEE681
PRP proof power = 5
PRP: Verified
Proof certified good
2021-05-24George WoltmanF-PP1
Start=2/7, B1=7500000, B2=592500000, Factor: 42491473899696171527294085337
2021-05-24George WoltmanF-PM1
Factor: 42491473899696171527294085337 / (P-1, B1=15000000, B2=1305000000)
2020-04-18Oliver KruseC-PRP
M318007/76138427194223/271922431610125271 : 6D2DA6CE81BEE681
PRP: Verified (Factored)
PRP without proof (small exponent)
2017-12-11ATHC-PRP
M318007/76138427194223/271922431610125271 : 5CF65FEDFFB7AC1A
PRP: Verified (Factored)
PRP without proof (small exponent)
2017-10-13Oliver KruseC-PRP
M318007/76138427194223/271922431610125271 : 5CF65FEDFFB7AC1A
PRP: Verified (Factored)
PRP without proof (small exponent)
2017-09-22Oliver KruseC-PRP
M318007/76138427194223/271922431610125271 : 5CF65FEDFFB7AC1A
PRP: Verified (Factored)
PRP without proof (not generated)
2017-09-22Oliver KruseC-PRP
M318007/76138427194223/271922431610125271 : 5CF65FEDFFB7AC1A
PRP without proof (not generated)
2014-03-10Richard B. WoodsF-ECM
Factor: 271922431610125271