The GCF is 17.
The greatest common factor of 66 and 153 is 3.
It is 9.
17
The greatest common factor is 9
The GCF is 51.
The GCF is 153.
The GCF is 9.
The GCF is 1.
The GCF is 9.
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 51 and 175 is 1
There is not a greatest common factor of a single number, such as 306, 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 306 are 1, 2, 3, 6, 9, 17, 18, 34, 51, 102, 153, and 306. The prime factors of 306 are 2, 3, 3, and 17. Examples: The greatest common factor of 27 and 306 is 9. The greatest common factor of 128 and 306 is 2. The greatest common factor of 306 and 765 is 153.
The greatest common factor of 22 and 39 is 1.