GCF for 24 and 16

"Greatest Common Factor" Calculator

Greatest Common Factor of

and

What is the Greatest common Divisor of 24 and 16?

Answer: GCF of 24 and 16 is 8

(Eight)

Finding GCF for 24 and 16 using all factors (divisors) listing

The first method to find GCF for numbers 24 and 16 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 16: 1, 2, 4, 8, 16

So the Greatest Common Factor for 24 and 16 is 8

Finding GCF for 24 and 16 by Prime Factorization

The second method to find GCF for numbers 24 and 16 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 16: 2, 2, 2, 2

As we can see there are Prime Factors common to both numbers: 2, 2, 2

Now we need to multiply them to find GCF: 2 × 2 × 2 = 8

Related Calculations

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 16? (The answer is: 8). Select the first number (e.g. '24') and the second number (e.g. '16'). 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
9161
10162
11161
12164
13161
14162
15161
161616
17161
18162
19161
20164
21161
22162
23161
24168
25161
26162
27161
28164
29161
30162
31161
321616
33161
34162
35161
36164
37161
38162

FAQ

What is the Greatest common Divisor of 24 and 16?

GCF of 24 and 16 is 8

See Also