Prime Factorization

Determine if the number shown is Prime.

• 16

• 21

• 12

• 79

Tags

CCSS.4.OA.B.4

Determine if the number shown is Composite

• 79

• 87

• 43

• 22

Tags

CCSS.4.OA.B.4

Which number is a factor of 24, but not a multiple of 6?

• 7

• 8

• 12

• 10

Tags

CCSS.4.OA.B.4

Which number is a factor of 12, but not a multiple of 6?

• 4

• 8

• 9

• 10

Tags

CCSS.4.OA.B.4

Which number is a factor of 16, but not a multiple of 4?

• 8

• 2

• 6

• 10

Tags

CCSS.4.OA.B.4

What are the prime factors of 12 ?

• 2x2x3

• 2x2x2x3

• 2x6

• 3x4

What are the prime factors of 18 ?

• 3 x 3 x 3

• 6 x 3

• 2 x 3 x 3

• 2 x 9

What are the prime factors of 30 ?

• 6 x 5

• 2 x 3 x 5

• 10 x 3

• 2 x 3 x 4

What are the prime factors of 100 ?

• 2 × 2 × 5 × 5 x 5

• 2 × 2 x 2 × 5 × 5

• 2 × 2 × 5 × 5 x 1

• 2 × 2 × 5 × 5

What are the prime factors of 1?

• None, number 1 don't decompose

• 1 x 2 x 3 x 5

• 0 x 3 x 5

• None of the above