GCF for 27 and 99

"Greatest Common Factor" Calculator

Greatest Common Factor of

and

What is the Greatest common Divisor of 27 and 99?

Answer: GCF of 27 and 99 is 9

(Nine)

Finding GCF for 27 and 99 using all factors (divisors) listing

The first method to find GCF for numbers 27 and 99 is to list all factors for both numbers and pick the highest common one:

All factors of 27: 1, 3, 9, 27

All factors of 99: 1, 3, 9, 11, 33, 99

So the Greatest Common Factor for 27 and 99 is 9

Finding GCF for 27 and 99 by Prime Factorization

The second method to find GCF for numbers 27 and 99 is to list all Prime Factors for both numbers and multiply the common ones:

All Prime Factors of 27: 3, 3, 3

All Prime Factors of 99: 3, 3, 11

As we can see there are Prime Factors common to both numbers: 3, 3

Now we need to multiply them to find GCF: 3 × 3 = 9

See Also

About "Greatest Common Factor" Calculator

This calculator will help you find the greatest common factor (GCF) of two numbers. For example, it can help you find out what is the Greatest common Divisor of 27 and 99? (The answer is: 9). Select the first number (e.g. '27') and the second number (e.g. '99'). After that hit the 'Calculate' button.
Greatest Common Factor (GCF) also known as the Greatest Common Divisor (GCD) or Highest Common Factor (HCF) - it is the largest positive integer that divides each of the integers with zero remainder

"Greatest Common Factor" Calculator

Greatest Common Factor of

and

GCF Table

Number 1Number 2GCF
12993
13991
14991
15993
16991
17991
18999
19991
20991
21993
229911
23991
24993
25991
26991
27999
28991
29991
30993
31991
32991
339933
34991
35991
36999
37991
38991
39993
40991
41991

FAQ

What is the Greatest common Divisor of 27 and 99?

GCF of 27 and 99 is 9

See Also