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The factors of 63 are 1, 3, 7, 9, 21, and 63.
The factors of 81 are 1, 3, 9, 27, and 81.
The common factors are 1, 3, and 9. Therefore, the greatest common factor is 9.
The greatest common factor can also be calculated by identifying the common prime factors and multiplying them together.
The prime factors of 63 are 3, 3, and 7.
The prime factors of 81 are 3, 3, 3, and 3.
The prime factors in common are 3 and 3, so the greatest common factor is 9.
Comparing the prime factors using exponents:
63 = 3^2 x 7
81 = 3^4 = 3^2 x 3^2
Then GCF is 3^2 = 9
The GCF is 9.
The GCF is 9.
The GCF of 63 and 81 is 9
the GCF of 63 and 81 is 9
The Greatest Common Factor (GCF) is: 9
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What do s the greatest common factor of 63 and 81?
The GCF is 9.
What is the greatest common factor of 63 81 and 99?
The greatest common factor of 63, 81, and 99 is 9.The prime factorization of 63 is 7*9.The prime factorization of 81 is 9*9.The prime factorization of 99 is 11*9.Thus, the greatest of the common factors of 9.
What is the greatest common factor of 18 45 63 and 81?
The greatest common factor (GCF) is often also called the greatest common divisor (GCD) or highest common factor (HCF). Keep in mind that these different terms all refer to the same thing: the largest integer which evenly divides two or more numbers.The greatest common factor of 18, 45, 63, and 81 is 9
What is the greatest common factor of 45 63 and 81?
Factors of 45: 1 3 5 9 15 45 Factors of 81: 1 3 927 81 Factors of 63: 1 3 7 9 21 63 The GCF of 45, 81, and 63 is 9
What is the greatest common factor of 16 72 and 81?
The greatest common factor of 16 72 and 81 is 1.
