Prime Number Java Programming:

Any number which is divisible by 1 or itself is known as Prime Number.

For example : 2,5,7 are prime numbers as they are not divisible by any of the numbers except 1 and themselves.

## Java Program to check Prime Number

/* Program to Find whether number is Prime or Not by Codext.com */class PrimeNo{

public static void main(String args[]){

int num = Integer.parseInt(args[0]);

int flag=0;

for(int i=2;i<num;i++){

if(num%i==0)

{

System.out.println(num+" is not a Prime Number");

flag = 1;

break;

}

}

if(flag==0)

System.out.println(num+" is a Prime Number");

}

}

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