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- /* Write an expression that checks if given positive integer number n (n ≤ 100) is prime
- * (i.e. it is divisible without remainder only to itself and 1). */
- import java.util.Scanner;
- public class CheckGivenPositiveIntegerIsPrime {
- public static void main(String[] args) {
- // TODO Auto-generated method stub
- System.out.print("Enter a Integer number in the range [0 .. 100] : ");
- Scanner input = new Scanner(System.in);
- int number = input.nextInt();
- input.close();
- if (number > -1 && number < 101) {
- boolean numIsPrime = (number == 2 || number == 3 || number == 5 || number == 7)
- || (number != 1 && number % 2 != 0 && number % 3 != 0 && number % 5 != 0 && number % 7 != 0);
- System.out.printf("That Number is Prime: %b !\n", numIsPrime);
- } else {
- System.out.println("Error! - Your Number is out of Range!!!");
- }
- }
- }
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