The factors of 18 are: 1, 2, 3, 6, 9, 18
The factors of 63 are: 1, 3, 7, 9, 21, 63
The common factors are: 1, 3, 9
The common factors of 30 and 63 are 1 and 3.
The common factors of 28 and 63 are: 1 and 7
The factors of 72 are 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, and 72 The factors of 63 are 1, 3, 7, 9, 21, and 63 The common factors of 72 and 63 are 1, 3, and 9
The common factors of 54 and 63 are: 1, 3, and 9
The common factors of 45 and 63 are 1, 3, and 9.
63 ... 3, 7, 9, 21, 63 36 ... 2, 3, 4, 6, 9, 12, 18, 36 common factors ... 3, 9
1, 3 and 9
Common factors of 10 and 63 are: 1.
The common factors of 30 and 63 are 1 and 3.
The common factors of 35 and 63 are: 1 and 7
The common factors of 15 and 63 are: 1 and 3
The common factors of 28 and 63 are: 1 and 7
The common factors of 63 and 91 are 1 and 7.
The common factors of 21 and 63 are 1, 3, 7, and 21
The factors of 72 are 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, and 72 The factors of 63 are 1, 3, 7, 9, 21, and 63 The common factors of 72 and 63 are 1, 3, and 9
The common factors of 54 and 63 are: 1, 3, and 9
The common factors of 63 and 56 are: 1, 7