Basic Operations
LCM & GCF Examples Page 5
GCF Method 1 Example 1
Method 1 for finding the greatest common factor starts with listing the prime factors for both numbers. Multiply all prime factors that both numbers have in common. Be sure to include a prime factor as many times as it appears in both numbers. Find the greatest common factor of |
and 
.
's and one 
, so the GCF is
.
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