90 = 2x3x3x5
210 = 2x3x5x7
315 = 3x3x5x7
GCF = 3x5 = 15
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the GCF is 105
The GCF is 105.
Oh, dude, the greatest common factor of 315 and -525 is 105. It's like finding the biggest number that can divide both of them without any remainders. So, yeah, 105 is the winner here, but don't worry, the other numbers aren't too jealous.
The answer is 45 135=3x3x3x5 315=3x3x5x7 each number has at least 2 3s and one 5 3x3x5=45 Your welcome
It is: 35