write a program on a prime number?

Question

Neha Deelip Bhangale · Accepted Answer

#include 
int main()
{
    int n, I;
  int z = 0;

    printf("Enter a positive integer ");
    scanf("%d",&n);

    for(i=2; i<=n/2; ++i)
    {
        // condition for nonprime number
        if(n%i==0)
        {
            z=1;
            break;
        }
    }

    if (z==0)
        printf("%d is a prime number.",n);
    else
        printf("%d is not a prime number.",n);
    
    return 0;
}

Abhishek Sawant · Answer

java program for prime number

class SimplePrime {
	public static void main(String args[]) {
		SimplePrime p = new SimplePrime();
		Scanner s = new Scanner(System.in);
		System.out.println("Enter a number :");
		int n = s.nextInt();
		p.primeChecker(n);
	}
	
	public void primeChecker(int n){
		int count=0;
		for(int i=1;i<=n;i++){
			if(n%i==0){
				count++;
			}
		}
			if(count==2)
				System.out.println(n+" is a prime Number");
			else
				System.out.println(n+" is not a prime Number");
	}
}

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