Grade 8 - Prime Factorization - Quiz

A prime number

• has one factor
• has more than 2 factors
• has 100 factors
• has exactly 2 factors: 1 and the number

2 x 2 x 2  or 2³ is the prime factorization of

• 6
• 12
• 22
• 8

Tags

CCSS.4.OA.B.4

Which number below is NOT PRIME?

• 2
• 11
• 13
• 18

Tags

CCSS.4.OA.B.4

Which is a PRIME number?

• 15
• 17
• 21
• 39

Tags

CCSS.4.OA.B.4

Which is a COMMON FACTOR between 12 and 18?

• 4

• 3

• 9

• 5

Write 144 in prime factorization. Show in a factor tree.

• 2² x 3⁴

• 2⁴ x 3²

• 2³ x 3³

• 2⁴ x 3³

Find the prime factorization of 72. Show in a factor tree.

• 2³ x 3²

• 2 x 3² x 4

• 2⁴ x 3³

• 2² x 6²