A comet passes earth every 70 years. another comet passes earth every 75 years of both comets pass e

A comet passes earth every 70 years. another comet passes earth every 75 years of both comets pass earth this year how many years will it be before they pass on the same year again.

We want the least common multiple of (70, 75).

Using our LCM calculator, we find the answer is 1,050 years