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 405, 810 and 1215
They are multiples of 3.
9
1, 3 and 9
9, 18, 27, 36, 45, 54, 63, 72, 81, 90, 99.
9, 18, 27, 36, 45, 54, 63, 72, 81, 90, 99, 108 . . .
9, 18, 27, 36, 45, 54, 63, 72, 81, 90, 99 and on to infinity.
Multiples are formed by multiplying a number by successive counting numbers. The multiples of 9 are 9, 18, 27, 36, 45, 54, 63, 72, 81, 90, 99 and so on.
The multiples of 81 are infinite. The factors of 81 are: 1, 3, 9, 27, 81.
Common multiples include any multiple of 405.
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