Start by doing the prime factorization of 75
then, 75 can be written as
[tex]75=3\cdot5\cdot5[/tex]then, to find the remaining factors multiply each of the terms in pairs
[tex]\begin{gathered} 3\cdot5=15 \\ 5\cdot5=25 \end{gathered}[/tex]The factors of 75 are 1, 3, 5, 15, 25, and 75.
