This is impossible to know, because it is not known how many men, and what engineering techniques were employed. It may have been 2,000 men or 20,000 men. It may have taken ten years or 80 years, or 150 years.
It is estimated that the Great Pyramid took 20 years to build.
About 20 years for the Great Pyramid other smaller pyramids take less time.
Modern estimates put it at 14 to 20 years
It took over 500 blocks to make pyramid.
It took 273 days for them to build the pyramid
About 20 years for the great pyramid.
A long time!
It will take about 350 years.
It depends on what pyramid your talking about. The Great Pyramid took at least 20 years to build.
The Great Pyramid was built in 10 years. This, however, is not an average time. Building time varied from pyramid to pyramid.
about 20 years
about twenty years