Question

without actual division show that 15 is the factor of 1,515​

Answer 1

Answer:

Step-by-step explanation:

divisibility rule of 15 is that the given number should be divisible by 3 and 5 both.

divisibility rule of 3 is to add all the digits in the given no. and the sum should be divisible by 3

so, 1+5+1+5=12, therefore it is divisible by 3

it is also divisible by 5 because the last digit is 5.

Hence, the number 1515 is divisible by 15