Lokesh Kumar in C languageProgramming

32-Write a C program to display whether number is prime or not (while-loop).

Program: 32

Write a C program to display whether number is prime or not (while-loop).

#include #include void main() { int i, num; printf("Enter any number: "); scanf("%d", &num); for(i=2;i<num;i++) { if(num%i==0) { printf("Not a prime number."); break; } else { printf("Number is Prime"); break; } } getch(); }
Output
`Enter any number: 123` `Number is Prime`

#include
#include
void main()
{
    int i, num;
   printf("Enter any number: ");
   scanf("%d", &num);
   for(i=2;i<num;i++)
    {
        if(num%i==0)
        {
            printf("Not a prime number.");
            break;
        }
        else
        {
            printf("Number is Prime");
            break;
       }
    }
getch();
}

Output

Enter any number: 123

Number is Prime

Next Read: 33-Write a C program to perform the operation more than one times. »

Programs

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Program: 32

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