By finding the factors in both numbers and then finding the one that is greatest in common. For example the G.C.F for 45 and 36 is 9.
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GREATEST common factor
HCF stands for Highest Common Factor. It is also known as the GCF, or Greatest Common Factor.
I'm not sure what you mean by lowest common factor, typically math teacher will ask for least common multiple or greatest common factor on your homework.While the lowest common factor is 1, 1 is also the greatest common factor. The least common multiple is 640.
Oh, dude, the greatest common factor of 9, 15, and 21 is 3. It's like the superhero that swoops in to save the day, dividing all those numbers without breaking a sweat. So yeah, 3 is the chosen one in this math problem.
Well, isn't that just a happy little math problem we have here! To factor 2x-12, we can first look for the greatest common factor, which in this case is 2. So we can factor out the 2 to get 2(x - 6). And there you have it, a beautifully factored expression ready to bring joy to your mathematical world.