It's 2. But the thing of it is ... nobody needs to know that. Nobody asks you to
find it because they need the answer. They ask you to find it because you need
to know how to find it. When you get the answer from somebody else, or go
on line to get it, you get a bit of information that's no use to anyone, you hand
it over as if you figured it out on your own, you don't know any more than you
knew before, and the whole process does no good for anybody.
Here's an idea! How about you get somebody to sit down with you for a few
minutes, explain to you what "the gcf" means, and show you how to find it.
Then you'll grow a few new brain cells, and you'll know how to do something
that you couldn't do before, instead of just going on in blissful ignorance.
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