Question

find the least square number exactly divisible by each one of the number 1)6,9,15and 20
2)8,12,15and 20

Answer 1

1) square of 30 = 900
that is divisible by 6, 9, 15 and 20

2) square of 60 = 3600
that is divisible by 8, 12, 15 and 20

☆☆ :)