### What is the greatest common factor of 51?

There is not a greatest common factor of 51 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 factors of 51 are 1, 3, 17, and 51. Examples: The greatest common factor of 34 and 51 is 17. The greatest common factor of 51 and 90 is 3. The greatest common factor of 5 and 51…

### What is the greatest common factor of 81?

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…

### 24 is the greatest common factor of what number?

24 is not the greatest common factor of any single number. Common factors are the factors that two or more numbers have in common. The greatest common factor is the largest factor that two or more numbers have in common. There cannot be any common factors or a greatest common factor of a single number. There must be at least two number for common factors and a greatest common factor. Example: The greatest common factor…