Determine whether the number 12,345 is divisible by 3.
Note
Sum the digits 1+2+3+4+5 = 15; because 15 is divisible by 3, the original number 12,345 is also divisible by 3.
Determine whether the number 12,345 is divisible by 3.
Sum the digits 1+2+3+4+5 = 15; because 15 is divisible by 3, the original number 12,345 is also divisible by 3.