Prime and Composite Numbers

What is a prime number?

• A number with more than two factors

• A number with only two factors, itself and 1

• A number with exactly three factors

• A number with no factors

Tags

CCSS.4.OA.B.4

Which of the following is a composite number?

• 2

• 3

• 4

• 5

Tags

CCSS.4.OA.B.4

What is the prime factorization of 36?

• 2x2x3x3

• 2x3x5

• 3x3x5

• 2x2x2x3

Which number is a prime number?

• 6

• 8

• 7

• 9

Tags

CCSS.4.OA.B.4

Is the number 29 prime, composite, or neither?

• Prime

• Composite

• Neither

• Both

Tags

CCSS.4.OA.B.4

What is the prime factorization of 20?

• 2 x 2 x 5

• 4 x 5

• 2 x 10

• 5 x 5

Is the number 0 prime, composite, or neither?

• Prime

• Composite

• Neither

• Both

Tags

CCSS.4.OA.B.4

What is the prime factorization of 63?

• 3 x 21

• 3 x 3 x 7

• 7 x 9

• 3 x 7

Is the number 47 prime, composite, or neither?

• Prime

• Composite

• Neither

• Both

Tags

CCSS.4.OA.B.4

Click on all prime numbers between 1 and 10.

Tags

CCSS.4.OA.B.4