GCF for 12 and 144

What is the Greatest common Divisor of 12 and 144?

Answer: GCF of 12 and 144 is 12

(Twelve)

Finding GCF for 12 and 144 using all factors (divisors) listing

The first method to find GCF for numbers 12 and 144 is to list all factors for both numbers and pick the highest common one:

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

All factors of 144: 1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144

So the Greatest Common Factor for 12 and 144 is 12

Finding GCF for 12 and 144 by Prime Factorization

The second method to find GCF for numbers 12 and 144 is to list all Prime Factors for both numbers and multiply the common ones:

All Prime Factors of 12: 2, 2, 3

All Prime Factors of 144: 2, 2, 2, 2, 3, 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

GCF Table

Number 1Number 2GCF
11441
21442
31443
41444
51441
61446
71441
81448
91449
101442
111441
1214412
131441
141442
151443
1614416
171441
1814418
191441
201444
211443
221442
231441
24144
251441
261442
271449
281444
291441
301446

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 12 and 144? (The answer is: 12). Select the first number (e.g. '12') and the second number (e.g. '144'). 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 12 and 144?

GCF of 12 and 144 is 12