C Program to Check Number is Multiple of 7 or not

Learn about C Program to Check Number is Multiple of 7 or not in the below code example. Also refer the comments in the code snippet to get a detailed view about what’s actually happening.

C Program to Check Number is Multiple of 7 or not

14, 21, 28, 35, 42, 49, 56, 63, 70,… and so on are the multiples of 7. If a number is a multiple of another number, it is divisible by the original number evenly. For example, 14 divided by 7 equals 2, indicating that it is a multiple of 7.

A multiple of 7 is any number that can be expressed in the form 7n, where n is a natural number. So, if there are two values p and q, we can say that q is a multiple of p if q = np for some natural integer n.

Program:

 #include<stdio.h>
 int main()
 {
   int number;

   printf("Enter a number: ");
   scanf("%d",&number);

   if(number%7==0)
   {
     printf("%d is multiple of 7.",number);
   }
   else
   {
     printf("%d is not multiple of 7.",number);
   }

   return 0;
 }

Output:

Enter a number: 21
21 is multiple of 7.

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