Factor this number into prime numbers.
54

Prime factors are factors that don't have any of their own factors except for 1 and themselves.

Hey friend,  Iam Bushra Azhar

Find the least square number which is exactly divisible by 8,12,15 and 20

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First,find the hcf of 8,12,15 and 20

8=2×2×2=2³

12=2×2×3=2²×3

15=3×5

20=2×2×5=2²×5

a number which is divisible by each of them should contain

2³x3x5

If it is a perfect square number,it should have even powers.

So,

2⁴×3²×5²=16×9×25

=3600

So,the answer is 3600

Hope it helps