Question

Check the divisibility of 72819 by 9.

Answer 1

Step 1: Understanding the tests of divisibility:

Divisibility by $9$ : A number is divisible by $9$, if sum of its digits is divisible by $9$.

Step 2: Check the divisibility $72819$ by $9$.

Sum of digits of $72819=7+2+8+1+9=27$:

Since, $27$ is divisible by $9$.

Therefore, $72819$ is divisible by $9$.