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What is the greast common factor of 18 45 63 using prime factorization?
Wiki User
∙ 7y ago
2 x 3 x 3 = 18
3 x 3 x 5 = 45
3 x 3 x 7 = 63
3 x 3 = 9, the GCF
Wiki User
∙ 7y ago
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