C Program to find whether the last digit of given number is divisible by 3

Get a number num and check whether last digit of num is divisible by three.

Sample Input 1:


Sample Output 1:

last digit not Divisible by 3

Sample Input 2:


Sample Output 2:

last digit divisible by 3

Program or Solution

int main()
	int num,digit;
	printf("Enter a number:");
		printf("%d is divisible by 3",digit);
		printf("%d is not divisible by 3",digit);
	return 0;

Program Explanation

Get input num from user using scanf statement extract last digit from num using the expression digit=num%10.

check whether the remainder of digit divided by 3 is equal to 0 using if statement.

if it is 0, then print tdig is divisible by 3 using printf statement.

Else print digit is not divisible by 3 using printf statement.

Note: any number modulus of 10 gives last digit of number.


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