2. Manuela is looking for all the factors of 90. So far, she has divided 90 by all the counting num- bers from 1 to 10, listing those numbers that divide 90 and listing the corresponding quotients. Here is Manuela's work so far:
Should Manuela keep checking numbers to see if any numbers larger than 10 divide 90, or can
Manuela stop dividing at this point? If so, why? What are all the factors of 90?