1,3,9
1,3,7,21
1,2,3,4,5,6,10,12,15,20,30,60
The factors of 9 are:1, 3, 9The factors of 21 are:1, 3, 7, 21The factors of 60 are:1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60The common factors are:1, 3The Greatest Common Factor (GCF) is:3
The factors of 63 are 1, 3, 7, 9, 21, and 63.
The factors of 21 are: 1, 3, 7, 21 The factors of 36 are: 1, 2, 3, 4, 6, 9, 12, 18, 36 The factors of 60 are: 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60
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
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
1 and 3 are common factors of 9 and 21
Factors of 21: 1, 3, 7, 21 Factors of 60: 1, 2, 3, 4, 5, 6, 10, 12, 15, 20, 30, 60 GCF (21, 60) = 3
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.
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?