The factors of 18 are:
1, 2, 3, 6, 9, 18
The factors of 21 are:
1, 3, 7, 21
The factors of 27 are:
1, 3, 9, 27
The factors of 21 are: 1, 3, 7, 21 The factors of 27 are: 1, 3, 9, 27
The factors of 18 are 1, 2, 3, 6, 9, and 18 The factors of 27 are 1, 3, 9, and 27
The factors of 18 are 1, 2, 3, 6, 9, 18. The factors of 27 are 1, 3, 9, 27. The common factors of 18 and 27 are 1, 3 and 9. The greatest common factor of 18 and 27 is 9.
The factors of 21 are: 1, 3, 7, 21.The factors of 27 are: 1, 3, 9, 27.The common factors are: 1, 3
The factors of 18 are: 1, 2, 3, 6, 9, and 18.The prime factors of 18 are: 2 and 3.The factors of 21 are: 1, 3, 7, and 21.The prime factors of 21 are: 3 and 7.
1, 11 1, 2, 3, 6, 9, 18 1, 3, 7, 21 1, 2, 13, 26 1, 3, 9, 27
The factors of 18 are 1, 2, 3, 6, 9, and 18 The factors of 27 are 1, 3, 9, and 27
The factors of 18 are 1, 2, 3, 6, 9, and 18 The factors of 20 are 1, 2, 4, 5, 10, and 20 The factors of 27 are 1, 3, 9, and 27 The factors of 42 are 1, 2, 3, 6, 7, 14, 21, and 42 The factors of 45 are 1, 3, 5, 9, 15, and 45
The factors of 21 are 1, 3, 7, 21. The factors of 63 are 1, 3, 7, 9, 21, 63
The factors of 18 are: 1, 2, 3, 6, 9, 18 The factors of 27 are: 1, 3, 9, 27
The factors of 18, 9, and 27 are 1, 3, and 9.
Factors or 18: 1, 2, 3, 6, 9, 18 Factors of 21: 1, 3, 7, 21 They both have a factor of 3