Question

write a program to accept any 20 number and display only those number which are prime .
Hind: a number is said to be Prime if it is only divisible by 1 and the number itself .​

Answer 1

Answer:

importJava.util.*

public class prime

{

public static void main()

{

Scanner sc=new Scanner(System.in)

int i;

for(i=1;i>=20;i++)

{

int a=sc.nextInt();

int k;int s=0;

for(k=1;k>=a;k++)

{

if(a%k==0)

{

s++;

}

}

if(s==2)

{

System.out.println(a);

}

}

}

}