Guided Practice:
Find the Greatest Common Factor (GCF) of the following pair of numbers:
1. GCF (20, 80)
2. GCF (17, 40)
3. GCF (44, 45)
4. GCF (36, 48)
5. GCF (480, 640)
Practice Problems:
Find the Greatest Common Factor (GCF) of the following pair of numbers:
1. GCF (20, 80)
2. GCF (17, 40)
3. GCF (44, 45)
4. GCF (36, 48)
5. GCF (480, 640)
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