45 = 3 x 15 45 = 1 x 45 45 = 5 x 9 Divisor : 3, 5, 9, 15 is33 > 45? No So 45 is not a abundant number Sum of the divisor : 1 + 3 + 5 + 9 + 15 = 33 Divisor of 45 False 12 = 3 x 4 12 = 1 x 12 12 = 6 x 2 Divisor : 3, 4, 6, 2 is16 > 12? Yes 12 is a abundant number True Sum of the divisor : 1 + 3 + 4 + 6 + 2 = 16 Divisor of 12 w3resource.com