Factor each of the expressions 15p 60 27m 105 and 90 45n?

I am confused by the notation. Do you mean, "15p + 60" ?

15p + 60 = 15*(p + 4)

(15 is the greatest common factor, since 15 divides 15 and 15 divides 60).

Likewise, 27m + 105 = 3*(9m + 35) and

90 + 45n = 45*(2 + n)

no that answer is totally wrong