The common factors of 18 and 28 are 1 and 2
The factors of 18 are: 1, 2, 3, 6, 9, 18.The factors of 28 are: 1, 2, 4, 7, 14, 28.The factors of 34 are: 1, 2, 17, 34.The common factors are: 1, 2
1 and 2
1 and 2
Only one which is 2
The GCF of 18 and 28 is 2The factors of 18 are 1, 2, 3, 6, 9, and 18The factors of 28 are 1, 2, 4, 7, 14, and 28The GCF of 18 and 28 is 2
The factors of 18 are 1, 2, 3, 6, 9, and 18.The factors of 28 are 1, 2, 4, 7, 14, and 28.The factors of 34 are 1, 2, 17, and 34.The common factors of all three of those numbers are 1 and 2 .
Factors of 28 are 1, 2, 4, 7, 14, and 28.Factors of 54 are 1, 2, 3, 6, 9, 18, 27, and 54The common factors of 28 and 54 are 1 and 2
The common factors of 28 and 84 are 1,2,4,7,14 and 28
The common factors of 28 and 84 are 1,2,4,7,14 and 28.
The factors of 28 are 1, 2, 4, 7, 14, and 28. The factors of 72 are 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, and 72. The common factors are 1, 2, and 4. The greatest common factor is 4.
Answer: 1 The factors of 28 are 1, 2, 4, 7, 14, and 28. The factors of 54 are 1, 2, 3, 6, 9, 18, 27, and 54. The common factors are 1 and 2; the least (or smallest) common factor is 1.