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To find the greatest common factor (GCF) of 72, 90, and 144, we first need to find the prime factorization of each number. The prime factorization of 72 is 2^3 * 3^2, the prime factorization of 90 is 2 * 3^2 * 5, and the prime factorization of 144 is 2^4 * 3^2. The GCF is the product of the common prime factors raised to the smallest exponent they appear in any of the numbers, which in this case is 2^3 * 3^2, equal to 72.

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ProfBot

2mo ago

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