Test for Divisibility by 3:
• A Number is divisible by 3 if the Sum of the Digits in the Number is divisible by 3
Sum of the Digits in 63: 6+3 = 9
9 is divisible by 3, 9/3 = 3
Therefore, 63 is divisible by 3
63/3 = 21
Test 63 for Divisibility by 3
The solution above and all other related solutions were provided by the Test for Divisibility by 3 Application.