Well, the greatest commonĭivisor of 6 and 12? Well, it's the factors of 6. Let's do the greatest commonĭivisor of 6 and 12. Numbers are numbers that only have 1 as their And that kind of makes senseīecause a prime number is something that only has 1Īnd itself as a factor. Greatest common factor of only 1, they're called So the greatest commonįactor of 5 and 12 is 1. So it really looks like onlyĬommon factor they share is 1. Then the factors of 12? 12 has a lot of factors. What is the greatest commonįactor of 5 and 12? Well, factors of 5? Pretty easy.

Or greatest common factor of 25 and 20- well, that equals 5. Inspection we see, well, they both share 1, but that'sĬommon factor of? You got it- 5. Why this number only has 3 factors and other numbers What is the greatest commonĭivisor of 25 and 20? Well, let's do it the same way. Just as easily had said, the greatest common divisor So the greatest commonįactor of 12 and 8 is 4. Greatest of them? Well, that's pretty easy. So we're not just interested inįinding a common factor, we're interested in finding the They both share the commonįactor 2 and they both share the common factor 4. Number or every integer has the common factor of 1. So let's figure out what theĬommon factors of 12 and 8 are.

So first let's write all of theįactors out of the number 12. First we just figure out theįactors of each of the numbers. The greatest common factor of 12 and 8? Well, what we do is, it's Let's figure out, what is the greatest common divisor or So a divisor and a factorĪre kind of the same thing. Well, I think, that's also a number that can divide Just a number that can divide into something, and a factor. The greatest common factor of 12 and 8? That's a c right So just to be clear, first ofĪll, when someone asks you whether what's the greatestĬommon divisor of 12 and 8? Or they ask you what's Common divisor or greatest common factor video.

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