1 and 3 are common factors of 9 and 21
The factors of 9 are: 1, 3, 9The factors of 18 are: 1, 2, 3, 6, 9, 18The factors of 21 are: 1, 3, 7, 21
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 9 are: 1, 3, 9 The factors of 63 are: 1, 3, 7, 9, 21, 63
The factors of 21 are 1, 3, 7, 21. The factors of 63 are 1, 3, 7, 9, 21, 63
The factors of 9 are: 1, 3, 9 The factors of 21 are: 1, 3, 7, 21 The factors of 63 are: 1, 3, 7, 9, 21, 63
1 and 3 are common factors of 9 and 21
The factors of 9 are: 1, 3, 9The factors of 18 are: 1, 2, 3, 6, 9, 18The factors of 21 are: 1, 3, 7, 21
The common factors of 9, 21, and 24 are: 1 and 3
9 and 21 only have two common factors: 1 and 3.
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, 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 common factors are: 1, 3
The factors of 9 are: 1, 3, 9 The factors of 63 are: 1, 3, 7, 9, 21, 63
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.
The factors of 63 are 1,3,7,9 and 21.
The factors of 18 are: 1, 2, 3, 6, 9, 18The factors of 21 are: 1, 3, 7, 21