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PrimeNumber.java
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38 lines (30 loc) · 866 Bytes
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import java.util.Scanner;
public class PrimeNumber{
public static void main(String[] args){
Scanner input = new Scanner(System.in);
System.out.print("Prime Number Checking");
System.out.print("Enter Number : ");
int MyNum = input.nextInt();
PrimeNumCheck(MyNum);
}
public static void PrimeNumCheck(int Num){
if (Num <= 1) {
System.out.println("Not Prime Number");
return;
}
int i = 2;
boolean isPrime = true;
while (i <= Num / 2) {
if (Num % i == 0) {
isPrime = false;
break;
}
i++;
}
if (isPrime) {
System.out.print("This is Prime Number");
}else{
System.out.println("This is NOT Prime Number");
}
}
}