Question

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

Answer 1

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

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

Answer 2

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