1 and 3
The common factors of 9, 21, and 24 are: 1 and 3
1 and 3 are common factors of 9 and 21
9 and 21 only have two common factors: 1 and 3.
Answer: 1 The factors of 9 are 1, 3, and 9. The factors of 21 are 1, 3, 7, and 21. The common factors are 1 and 3; the least (smallest) common factor is 1.
Oh, dude, the common factors of 9 and 21 are the numbers that can divide both of them without leaving a remainder. So, the factors of 9 are 1, 3, and 9, while the factors of 21 are 1, 3, 7, and 21. The common factors between them are 1 and 3. Cool, right?
The common factors of 6, 21, and 39 are 1 and 3
1 and 3 are both common factors of 9 and 21.
The greatest common factor is 3: Factors of 9: 1, 3, 9 Factors of 18: 1, 2, 3, 6, 9, 18 Factors of 21: 1, 3, 7, 21 The two common factors are 1 and 3 and the greatest of these two is 3.
They both have 1 and 3 as common factors
There are no COMMON factors]between '9' & '25'. '9' has the factors os 3, & 9. '25 has the factors of 5, & 25/
1 and 3 are.
They are 1 and 3 .Note: Those are also the least common factors of 9, 21, and 54 .