factor of 45 and 81
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Answer:
Find the prime factorization of 45
45 = 3 × 3 × 5
Find the prime factorization of 81
81 = 3 × 3 × 3 × 3
To find the gcf, multiply all the prime factors common to both numbers:
Therefore, GCF = 3 × 3
GCF = 9
Step-by-step explanation:
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