Question

If a number is a factor of two given numbers, it must be ????? of their difference​

Answer 1

Answer:

can't understand your question

Answer 2

answer

7 is a factor of 14 and 21

sum of 14 and 21 is 35

and 35 is a factor of 7

Thus I agree that any number is a factor of the sum of the given numbers

thank you