What is the GCF of 2 and 4?
2
What is the GCF of 15 and 16?
1
What is the GCF of 12 and 20?
4
What is the GCF of 10 and 15?
5
What is the GCF of 12 and 18?
6
What is the GCF of 2 and 10?
2
What is the GCF of 14 and 21?
7
What is the GCF of 5 and 20?
5
What is the GCF of 5 and 10?
5
What is the GCF of 4 and 8?
4
What is the GCF of 6 and 10?
2
What is the GCF of 3 and 6?
3