A prime number is a number that is only divisible by 1 and itself.

• Start by checking if the number is less than 2, as prime numbers start from 2.

• Use a loop to check if the number is divisible by any nu...read more

class Prime1

{

public Static void main(String[ ] args)

{

int num=7;

int count=0;

for(int i=0;i<=num;i++)

{

if(num%i==0)

{

count++;

}

}

if(count==2)

{

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

}

else

{

System.out.println(num+...read more