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//program to check whether a number is prime or not using while statement public class whileprime { public static void main(String[] args) { int i=2; int a; int prime=1; a=5; while(i<=a/2) { if(a%i==0) { prime=0; break; } i++; } if(prime==1) { System.out.println("number is prime "); } else { System.out.println("number is not prime"); } } }