Question

what is the divisibility rule/test of 15 (fifteen)?

Answer 1

to be divisible by a number the number must divide by 3 and5..

for example

30= it is divisble by both 3 and 5.

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Answer 2

Foe being divisible by 15 a number must be divisible by 3 and 5. Ex-225 is divisible by 3 and 5 both. thatwhy it is divisible by 15 also.15×15 =225. another example-369 is divisible by 3 but not by 5. So, it is not divisible by 15. 369÷15=24.6