Write a program a to check number is prime or not?
public class PrimeNum {
public static void main(String[] args) {
int number=20;
int temp=0;
for (int i=2;i<=number-1;i++)
{
if(number%i==0){
temp=temp+1;
}
}
if(temp==0){
System.out.println(number+" is prime number");
}
else {
System.out.println(number+" is not prime number");
}
}
}
Output :
public class PrimeNum {
public static void main(String[] args) {
int number=20;
int temp=0;
for (int i=2;i<=number-1;i++)
{
if(number%i==0){
temp=temp+1;
}
}
if(temp==0){
System.out.println(number+" is prime number");
}
else {
System.out.println(number+" is not prime number");
}
}
}
Output :
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Hello, my name is ravi kumar sagar. I'm a photographer and developer. i play with coding and learn with fun
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