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import java.util.Scanner; | |
public class primeNumbersII { | |
public static void main(String[] args) { | |
Scanner in = new Scanner(System.in); | |
System.out.println("Please enter a number below") ; | |
int integer = in.nextInt() ; | |
while (integer > 20 || integer < 1) { | |
System.out.println("WARNING!!! your Number must lie between 1 - 20") ; | |
// I removed this: } else { | |
System.out.println("Please enter a number below") ; | |
integer = in.nextInt() ; | |
} | |
if (integer == 2 || integer == 3 || integer == 5 || integer == 7 || integer == 11 || integer == 13 || integer == 17) { | |
System.out.println("Your number is a prime number") ; | |
} else { | |
System.out.println("Your number is not a prime number") ; | |
} | |
} | |
} |
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