write each number as the product of prime factors.

(a) 42__________________
(b) 110_________________
(c)...__________________
(d)...__________________
....
....

2 answers

42 = 2 * 21

Study this site for the rest of your assignment.

http://www.mathsisfun.com/prime-factorization.html
42=2*7*3.

Then I'd study that site.