Question

Least four digit number exactly divisible by 6;8;12

Answer 1

1,008

6=2×3

12=2^2×3

18=2×3^2

So 36=2^2×3^2 is the smallest common multiple.

1,000÷36=28approx

This means 36×28=1,008 is a 4 digit number divisible by 6, 12 and 18.

hope it helps you