Question

Greatest common factor of 30 and 40 explained please help!

Answer 1

Answer: it's 10

Explanation:

30 = 1 2 3 4 5 6 10 15 30 (all the factors of 30)

40 = 1 2 3 4 5 8 10 20 40 (all the factors of 40)

Ok you'll find the same numbers but the highest and it's 10.