Sagot :
[tex]Identify \ common \ factor : \\\\ 25= \ \boxed{1} \cdot \boxed{5} \cdot \boxed{5}\\\\75=\boxed{1} \cdot \boxed{5} \cdot \boxed{5}\cdot 5\\\\Multiply \ the \ common \ factor : \ 1\cdot 5 \cdot 5 =25\\ \\ Answer: \ The \ GCF \ of \ 25\ and \ 75 \ is \ 25 .[/tex]