Greatest Common Factor and Simplify Fractions
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Use prime factorization: Find the GCF of 18 and 42.
GCF(18,42)=6
Use prime factorization: Find the GCF of 8 and 14.
GCF(8,14)=2
Use prime factorization: Find the GCF of 6 and 15.
GCF(6,15)=3
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