23 is prime. Prime numbers don't have proper factors. Its multiples are 23, 46, 69 and so on.
All numbers are factors (of their multiples).
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.
It can be. 23 is a proper factor of 46.
23 is prime. Prime numbers don't have proper factors.
23 has no proper factors - it is prime.
23 and 29
19 and 23
2 and 23
Factors create multiples, multiples break down into factors.
Factors of the number will also be factors of the number's multiples. Multiples of the number will also be multiples of the number's factors.