you have to draw it...63 divided by what is your first step. So, you could do
21 x 3.
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The answer to this question is 63 = 3 x 3 x 7.
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63 21,3 7,3,3
63=21x3=3x7x3
63 ^ 7*9 ^ 3*3
9 is a square number and is a factor of 63
The Greatest Common Factor of 175 and 63 is 7.