Write a program to check whether a number is prime in Java1 min read
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Write a program to check whether a number is prime in Java
class Prime { public static void main(String arg[]) { int n,c=0; n=Integer.parseInt(arg[0]); for(int i=2;i<=n/2;i++) { if(n%i==0) c++; } if(c>0) System.out.println(n+" Is not prime no."); else System.out.println(n+" Is prime no."); } }
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