Nine.
They are all multiples of 9. Their common multiples are 405, 810, 1215 and so on.
9, 18, 27, 36, 45, 54, 63, 72, 81, 90, 99.
as in the multiples? 9 18 27 36 45 54 63 72 81 90 99 ...
9, 18, 27, 36, 45, 54, 63, 72, 81, 90, 99
9, 18, 27, 36, 45, 54, 63, 72, 81, 90, 99.
1, 3 and 9 are common factors of 27, 45 and 81. 27, 45 and 81 are multiples of 1, 3 and 9.
Common multiples include any multiple of 405.
They are all multiples of 9. Their common multiples are 405, 810, 1215 and so on.
Multiples of 9: 9, 18, 27, 36, 45, 54, 63, 72, 81, 90.
9 18 27 36 45 54 63 72 81 909, 18, 27, 36, 45, 54
9, 18, 27, 36, 45, 54, 63, 72, 81
Incorrect. Instead they are factors of I, 3 and 9.
They are multiples of 1, 3 and 9.
9, 18, 27, 36, 45, 54, 63, 72, 81, 90, 99, 108Multiples of 27 in bold.
The multiples of nine are infinite, starting with these: 9, 18, 27, 36, 45, 54, 63, 72, 81, 90 +9 . . .
9, 18, 27, 36, 45, 54, 63, 72, 81
9, 18, 27, 36, 45, 54, 63, 72, 81, 90