The greatest common factor (GCF) of 54 and 105 is 3. To find the GCF, you need to determine the prime factors of each number. The prime factorization of 54 is 2 * 3^3, and the prime factorization of 105 is 3 * 5 * 7. The GCF is the product of the common prime factors raised to the lowest power, which in this case is 3.
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The GCF is 2.
The GCF is 54.
The GCF of 54, 90, and 126 is 9
The GCF is 3.
The greatest common factor of the numbers 63, 105 and 294 is 21.