Last updated at April 16, 2024 by Teachoo
Example 8 Check the divisibility of 15287 by 3. Divisibility by 3 If sum of digits is divisible by 3 Then, number is divisible by 3 Sum of digits = 1 + 5 + 2 + 8 + 7 = 23 Since 23 is not divisible by 3. 15287 is also not divisible by 3.