3
As factors, 1 and 3.
Common factors of 18 and 24 are: 1, 2, 3, and 6.
The factors of 18 are 1, 2, 3, 6, 9, and 18. The factors of 24 are 1, 2, 3, 4, 6, 8, 12, and 24. The common factors are 1, 2, 3, and 6. The greatest common factor is 6.
The common factors of 9 and 24 are: 1 and 3
Common factors of 9 and 18 are: 1, 3, and 9.
The factors of 9 are 1, 3, and 9. The factors of 18 are 1, 2, 3, 6, 9, and 18. The common factors of 9 and 18 are 1, 3, and 9.
2, 3, and 6 are factors common to 18 and 24. The factors of 18 are 1, 2, 3, 6, 9, and 18. The prime factors are 2, 3, 3. The factors of 24 are 1, 2, 3, 4, 6, 8, 12, and 24. The prime factors are 2, 2, 2, 3. The common factors of 18 and 24 are 1, 2, 3, and 6, and the GCF is 6.
The common factors of 9, 18 and 27 are 1, 3, and 9.
Common factors of 9, 18 and 36 are 1, 3 and 9.
The common factors of 9, 18 and 90 are 1, 3 and 9.
The common factors of 9, 21, and 24 are: 1 and 3