The GCF (Greatest Common Factor) of 45 and 75. Show your work too. Thanks for your help!

asked Feb 16, 2015 6.6k views

3 votes

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$GCF-\ the\ largest\ common\ factor\ of\ two\ numbers:\\\\ 45:5\\ 9:3\\ 3:3\\\\ 75:5\\ 15:3\\ 5:5\\\\ GCF=5*3=15\\Answer\ is\ 15.$

Shreedhar answered Feb 19, 2015

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4 votes

$45=3 \cdot 3 \cdot 5 \\ 75=3 \cdot 5 \cdot 5$

The GCF is
$3\cdot 5 =15$ .

Rayshun answered Feb 20, 2015

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