GCF for 108 and 24

What is the Greatest common Divisor of 108 and 24?

Answer: GCF of 108 and 24 is 12

(Twelve)

Finding GCF for 108 and 24 using all factors (divisors) listing

The first method to find GCF for numbers 108 and 24 is to list all factors for both numbers and pick the highest common one:

All factors of 108: 1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108

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

So the Greatest Common Factor for 108 and 24 is 12

Finding GCF for 108 and 24 by Prime Factorization

The second method to find GCF for numbers 108 and 24 is to list all Prime Factors for both numbers and multiply the common ones:

All Prime Factors of 108: 2, 2, 3, 3, 3

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

As we can see there are Prime Factors common to both numbers: 2, 2, 3

Now we need to multiply them to find GCF: 2 × 2 × 3 = 12

Related Calculations

See Also

GCF Table

Number 1Number 2GCF
93243
94242
95241
962424
97241
98242
99243
100244
101241
102246
103241
104248
105243
106242
107241
10824
109241
110242
111243
112248
113241
114246
115241
116244
117243
118242
119241
1202424
121241
122242

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 108 and 24? (The answer is: 12). Select the first number (e.g. '108') and the second number (e.g. '24'). 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

FAQ

What is the Greatest common Divisor of 108 and 24?

GCF of 108 and 24 is 12