Is 126 a multiple of 9?

Answer 1

Yes, 126 is a multiple of 9.

An easy way to identify multiples of 9 is to add the digits of the number in question. If the digits sum to 9 or a multiple of 9 then the number is divisible by 9 and is thus a multiple of 9.

1 + 2 + 6 = 9 Therefore 126 is divisible by / is a multiple of 9. (126 = 9 x 14)

31518 : 3 + 1 + 5 + 1 + 8 = 18 ( 1 + 8 = 9). Then, 31518 is a multiple of 9.

1264 : 1 + 2 + 6 + 4 = 13 So 1264 is NOT a multiple of 9.