Highst common factor of 24,40,56
Your answer is 8 because :24 = 2 12 = 2 2 6 = 2 2 2 340 = 2 20 = 2 2 10 = 2 2 2 556 = 2 28 = 2 2 14 = 2 2 2 7The common prime factor in all is 2 three times so 2 2 2 = 8.Hope this helps :)