python - About an answer for Euler#5 using module "common" ...? -

in projecteuler site problem number 5, marcus stuhr answered great program after used bit of mathematics , in program used line :

from common import primesieve 

i have python3 , have error importerror: no module named 'common'

so have use program works?

i don't want spoil other people solution, if need program give you.