1.
The rectangles show that the number 12 ______.
A.
is composite
B.
is neither prime nor composite
C.
is prime
D.
has three factors
Hint
2.
Find the prime factorization of 32.
A.
2 × 3
B.
2 × 2 × 2 × 2 × 2 × 2
C.
2 × 2 × 2 × 2 × 2
D.
2 × 2 × 2 × 2
Hint
3.
Determine which number is
not
prime.
A.
19
B.
11
C.
61
D.
57
Hint
4.
Find the prime factorization of 126.
A.
2 × 3 × 7
B.
2 × 3 × 3
C.
2 × 3 × 3 × 7
D.
2 × 2 × 3 × 3 × 7
Hint
5.
The volume of a box is found by multiplying its height
h
, length
l
, and width
w
. If the measure of the volume of a box is 385, what could its dimensions be?
A.
5 by 7 by 11
B.
3 by 5 by 8
C.
3 by 5 by 7
D.
5 by 7 by 7
Hint