Answer :
[tex]45=3 \cdot 3 \cdot 5 \\
75=3 \cdot 5 \cdot 5[/tex]
The GCF is [tex]3\cdot 5 =15[/tex].
The GCF is [tex]3\cdot 5 =15[/tex].
[tex]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.[/tex]