23 is prime. Prime numbers don't have proper factors.
23 is prime. Prime numbers don't have proper factors.
23 is prime. Prime numbers don't have proper factors.
23 is prime. Prime numbers don't have proper factors.
23 is prime. Prime numbers don't have proper factors. Its multiples are 23, 46, 69 and so on.
23 has no proper factors - it is prime.
23 and 29
19 and 23
2 and 23
2, 4, 23, 46
1 5 23 115.
One has no proper factors.