Question

check the divisibility of 21436587 by 9 and 3?

Answer 1

21436587
divisibility by 3
2+1+4+3+6+5+8+7=36
36/3=12 * the no is divisible by 3

divisibility by 9
2+1+4+3+6+5+8+7=36
36/9=4 *the no is divisible by 9

Answer 2

Answer and Explanation:

To find : Check the divisibility of 21436587 by 9 and 3?

Solution :

Divisibility rule of 3 is the sum of the number is divisible by 3.

The divisibility of 21436587 by 3,

2+1+4+3+6+5+8+7=36

36 is divisible by 3 as 3+6=9 divisible by 3.

Divisibility rule of 9 is the sum of its digits is divisible by 9.

The divisibility of 21436587 by 9,

2+1+4+3+6+5+8+7=36

36 is divisible by 9.