1.
Use the factor tree to write the prime factorization of 120.
A.
2 × 2 × 2 × 3 × 5
B.
2 × 60
C.
2 × 3 × 5
D.
2 × 2 × 3 × 5
Hint
2.
What are the prime factors of 120?
A.
2, 2, 2, 3, 5
B.
2, 2, 30
C.
2, 3, 5
D.
2, 60
Hint
3.
Which of the following numbers is prime?
A.
1
B.
9
C.
15
D.
5
Hint
4.
Factor 8
x
2
.
A.
2 · 4 ·
x
·
x
B.
2 · 2 · 2 ·
x
C.
2 · 2 · 2 ·
x
·
x
D.
8 ·
x
Hint
5.
Factor 20
ef
.
A.
2
2
·
e
·
f
B.
2 · 10 ·
e
·
f
C.
2 · 2 · 5 ·
e
·
f
D.
4 · 5 ·
e
·
f
Hint