Answer:
4 x 3 - 1 x 20 = -8
H u m a n F i n g e r P i e.
8 million 3 hundred sixty-four thousand nine hundred eighty-seven
Hello!
You can only find the greatest common factor when given two numbers, as 15 won't have the same factor twice. The greatest factor of any number is itself, but the greatest common factor can only be decided between two numbers.
Therefore, the answer would be 5.
I hope this helps!
