each number completely into its prime numbers. A prime number is number greater than 1 that has no factors but itself. Examples of prime numbers include 5, 17, 97, and 331, to name just a few. Pick out any prime numbers between the set that are the same. There can be several common factors. If there's  only one prime common factor, then that's your common factor. If there are multiple prime common factors, then multiply all the prime common factors together to get your greatest common factor.
حدد كل عدد تمامًا إلى عوامله الأولية. حدد أي عوامل أولية مشتركة بين المجموعتين. احسب: لإيضاح هذه الطريقة، إليك مثالًا: