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Greatest Common Factor Calculator

Calculate the greatest common factor (GCF) or greatest common divisor (gcd). On the GCF calculalation page you can learn how to calculate GCF step by step.

Please type two integer numbers and hit calculate button find the GCF of two numbers.


GCF Calculations

Here are some examples of GCF calculations.

Recent Comments
lan 2021-04-23 13:11:08

this site is soooooo cool

Aurora 2021-03-02 12:24:18

Hi i need help with GCF which I know is easy but i just dont want to get it f=wrong but basically i need the GCF of 96,48, and 84 b Wes. could anybody help me?

Name 2021-02-25 12:15:31

make it optional to add letters to either of the factors, and it should equal something like this 18b + 30 = 6(3b+5). This would be helpful thank-you!!!

caleb 2021-02-15 15:31:39

Thanks helped me but can u make one of the sections three slots?

Bikram 2021-01-24 14:45:58

Very helpful, helped with my math homework

WILSON PENAFIEL 2021-01-14 09:11:27


person 2020-11-17 14:58:44

we're past gcf now,,,, but def helped me on my tests

stell 2020-11-02 06:39:26

i like this, but could you add more numbers? It would be really helpful for 3 number problems. Thanks!

Fowe 2020-10-28 02:24:47

This is cool. I can get my answers for homework FAST

Goose 2020-10-16 07:37:36


Jay 2020-10-01 09:13:40

It’s good but they need to make it for there is 3 number places

Not saying :) 2020-09-30 15:46:59

This site is..... AWESOME!!!! I will now use this whenEVER I need math help!!! THANK YOU SO MUCH!!!!

Guest 2020-09-30 15:45:26

Oops. I found the GCF part. Sorry for getting all worked up about that. Probably should have looked around the site a bit more first. Sorry!

Bree 2020-09-29 13:37:48

I love this so much

Fortress 2020-08-21 05:14:25

i just searched and i saw this site, tried it out
now its the best math site of all

loud 2020-02-08 09:47:59

me too bless

Mackenzie 2020-01-08 09:36:26

This is so much better than doing it out on paper

biggest BigBang fan 2019-11-19 16:02:54

these really helped me

Alexis 2019-11-15 05:37:37

why can't we add anymore numbers.

Guest 2019-10-28 16:53:54

can we have 3 numbers please? otherwise very helpful

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