例 60 の場合、答えは 2 2 3 5 になるはずですが、2 3 5 しか出てきません。
import java.util.Scanner;
public class PrimeFactor {
public static void main(String[] args) {
System.out.print("Enter a positive number: ");
Scanner scanner = new Scanner (System.in);
int number = scanner.nextInt();
int count;
for (int i = 2; i<=(number); i++) {
count = 0;
while (number % i == 0) {
number /= i;
count++;
}
if (count == 0) {
continue;
}
System.out.print(i + " ");
}
}
}