GCF for 24 and 99

What is the Greatest common Divisor of 24 and 99?

Answer: GCF of 24 and 99 is 3

(Three)

Finding GCF for 24 and 99 using all factors (divisors) listing

The first method to find GCF for numbers 24 and 99 is to list all factors for both numbers and pick the highest common one:

All factors of 24: 1, 2, 3, 4, 6, 8, 12, 24

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

So the Greatest Common Factor for 24 and 99 is 3

Finding GCF for 24 and 99 by Prime Factorization

The second method to find GCF for numbers 24 and 99 is to list all Prime Factors for both numbers and multiply the common ones:

All Prime Factors of 24: 2, 2, 2, 3

All Prime Factors of 99: 3, 3, 11

As we can see there is only one Prime Factor common to both numbers. It is 3

So 3 is the Greatest Common Factor of 24 and 99

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 24 and 99? (The answer is: 3). Select the first number (e.g. '24') 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

GCF Table

Number 1Number 2GCF
9999
10991
119911
12993
13991
14991
15993
16991
17991
18999
19991
20991
21993
2299
23991
2499
25991
26991
2799
28991
29991
30993
31991
32991
3399
34991
35991
3699
37991
38991

FAQ

What is the Greatest common Divisor of 24 and 99?

GCF of 24 and 99 is 3