Prime Factorization, GCF/ LCM, Adding/Subtracting Integers

Review

#1 Find the GCF of 54 and 80

2

#2-4 + 12

8

#3Find the LCM of 16 and 20

80

#4Find the GCF of 14, 21, 35 and 70

7

#5Find the LCM of 9 and 12

36

#6Find the prime

factorization of 800.

2⁵5²

#712 – (-17)

29

#8Find the prime

factorization of 68.

2² 17∙

#9Find the GCF of 20 and

28.

4

#10Find the LCM of 11, 22

and 44.

44