1 and 3
3 and 1.
Factors of 9 are 1, 3, and 9; factors of 12 are 1, 2, 3, 4, 6, and 12. There are only two common factors of 9 and 12: 1 and 3.
The factors of 12 are 1, 2, 3, 4, 6, and 12. The factors of 36 are 1, 2, 3, 4, 6, 9, 12, 18, and 36. All factors of 12 are also factors of 36.
The factors of 9 are 1, 3, and 9. The factors of 12 are 1, 2, 3, 4, 6, and 12. The common factors are 1 and 3.
The factors of 9 are: 1, 3, 9 The factors of 10 are: 1, 2, 5, 10 The factors of 12 are: 1, 2, 3, 4, 6, 12
273
Factors of 9: 1, 3, and 9Factors of 12: 1, 2, 3, 4, 6, and 12
3, 4, and 7 are the common factors of 9 12 and 21.
5, 10, and 20 are factors of 20 that are not also factors of 12.
The factors of 12 are 1, 2, 3, 4, 6, and 12. The factors of 36 are 1, 2, 3, 4, 6, 9, 12, 18, and 36. The common factors of 12 and 36 are 1, 2, 3, 4, 6, and 12, and the GCF is 12. All factors of 12 are also factors of 36.
The prime factors of 12 are 2 x 2 x 3. The prime factors of 15 are 3 x 5.
The factors of 9 are 1, 3, and 9. The factors of 12 are 1, 2, 3, 4, 6, and 12. The common factors of 9 and 12 are 1 and 3.9 ~ 1,3,912 ~ 1,2,3,4,6,12