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There is not a greatest common factor of 81 because there cannot be a greatest common factor without two or more numbers to compare. Common factors are factors that the numbers being compared have in common. The greatest common factor is the largest factor that all the numbers being compared have in common.
The factors of 81 are 1, 3, 9, 27, and 81.
The prime factors of 81 are 3, 3, 3, and 3.
Examples:
The greatest common factor of 54 and 81 is 27.
The greatest common factor of 81 and 117 is 9.
You need at least two numbers to find a GCF.
You need at least two numbers to find a GCF.
What else can I help you with?
What is the greatest common factor of 16 72 and 81?
The greatest common factor of 16 72 and 81 is 1.
What is the greatest common factor of 45 81 and 99?
The greatest common factor is 9
What is the greatest common factor of 36 81 and 144?
The greatest common factor (GCF) of 36 81 and 144 is 9.
What are the greatest common factors of 45 and 81?
Short answer: There are none. There is neither a greatest common factor nor common factors of a single number, such as 81, because there cannot be any form of common factor without two or more numbers to compare. Common factors are factors that the numbers being compared have in common. The greatest common factor is the largest factor that all the numbers being compared have in common. Thus, since there are not two or more numbers to compare, there are neither common factors nor a greatest common factor. The factors of 81 are 1, 3, 9, 27, and 81. Examples: The common factors of 18 and 81 are 1, 3, and 9; the greatest common factor is 9. The common factors of 20 and 81 are only 1; the greatest common factor is 1. The common factors of 39 and 81 are 1 and 3; the greatest common factor is 3. The common factors of 81 and 243 are 1, 3, 9, 27, and 81; the greatest common factor is 81.
What is the greatest common factor of 32 and 81?
The GCF of 32 and 81 is: 1
What is the greatest common factor of 52 and 81?
The greatest common factor of 52 and 81 is 1
What is greatest common factor of 56 and 81?
The greatest common factor of 56 and 81 is 1.
What is the greatest common factor of 81 and 189?
The greatest common factor of 81 and 189 is 27.
What is the Greatest Common Factor of 40 and 81?
The greatest common factor of 40 , 81 = 1
What is the greatest common factor of 81 108 and 117?
The Greatest Common Factor of 81, 108, 117: 9
What is the greatest common factor of 53 and 81?
The GCF of 53 and 81 is 1.
What is the greatest common factor of 81 and 123?
Greatest common factor of 81 and 123 is 3.
What is the greatest common factor of 58 an 81?
The greatest common factor of 58 and 81 is 1.
What is the greatest common factor of 16 72 and 81?
The greatest common factor of 16 72 and 81 is 1.
What is the Greatest Common Factor for 81 21 14?
The Greatest Common Factor of 81, 21, and 14 is 1.
What is the greatest common factor of 81 and 67?
The greatest commmon factor of 81 and 67 is 1.
What is the greatest common factor and least common multiple of 27 and 81?
The Greatest Common Factor (GCF) of (27,81) is 27 and the LCM is 81.
