Math Factors

What is a composite number?

• a number with ONLY TWO factors

• a number with LESS THAN TWO factors

• a number with MORE THAN TWO factors

• a number with ONLY ONE factor

Tags

CCSS.4.OA.B.4

What are the prime factors of 27?

• 3x3x3

• 3x2x3

• 3x3x4

Use a number tree to find the prime factorization of 32

• 2 x 2 x 2 x 3

• 2 x 2 x 2 x 2 x 2

Which of the following is a factor of 12? Select all that apply.

• 12

• 2

• 24

• 3

Tags

CCSS.4.OA.B.4

Write 64 as a product of its prime factors.

• 8x8

• 4x4x4

• 2x2x2x2x2x2

• 2x2x4x4

What is the highest common factor of 20 and 30?

• 60

• 5

• 10

• 30

2 x 2 x 2 is the prime factorization of...

• 6

• 12

• 22

• 8

Find the prime factorization of 16 ?

• 1 x 16

• 2²x 4

• 2⁴

• 2² + 2²

If the expanded form is 2x2x2x3x3x5x7 what would the exponential form be?

• 2x3x5x7

• 2³x3²x5x7

• 2²x3²x5x7

• 8x9x35

Tags

CCSS.6.EE.A.1

Find the Lowest Common Multiple (LCM) of 4 & 14.

• 14

• 20

• 28

• 42