Question

Problem 1 Write a program that prompts the user to enter an integer It then tells the user if the integers is a multiple of 2, 3, 5, 7 or none of the above. Program language is C

Ex. Enter an integer
12
You entered 12
The number you entered is a multiple of 2
-----------------------------------------------
Enter an integer
11
You entered 11

The number you entered is not a multiple of 2, 3, 5, or 7

Answer 1

Code:

#include <stdio.h>

int main()
{
    int n,i,count=0,k=0;
    int a[4]={2,3,5,7};
    int b[4];
    printf("Enter an integer:");
    scanf("%d",&n);
    printf("You entered %d",n);
    for(i=0;i<4;i++)
    {
        if(n%a[i]==0)
        {
            b[k++]=a[i];
        }
        else
        {
            count++;
        }
    }
    if(count==4)
    {
        printf("\nThe number you entered is not a multiple of 2, 3, 5, or 7");
    }
    else
    {
        printf("\nThe number you entered is mutliple of ");
        for(i=0;i<k;i++)
        {
            printf("%d ",b[i]);
        }
    }
    return 0;
}

Screenshots: