2-5 Prime and Composite Numbers

Prime numbers have:

• Exactly 2 factors

• 2 pairs of factors

• More than 2 factors

• 1 factor

• answer not given

Composite numbers:

• Are always bigger than prime numbers
• Have more than 2 factors
• Have 2 pairs of factors
• Don't have factors

Tags

CCSS.4.OA.B.4

Find the prime number

• 10
• 9
• 7
• 4

Tags

CCSS.4.OA.B.4

which number is composite

• 11

• 13

• 21

• 23

Which number is NOT a factor of 10?

• 1
• 2
• 3
• 5

Tags

CCSS.4.OA.B.4

True or False
2 is a COMPOSITE number.

• TRUE
• FALSE

Tags

CCSS.4.OA.B.4

Which number is NOT a factor of 18 ?

• 2
• 3
• 5
• 9

Tags

CCSS.4.OA.B.4

Which number listed below is a prime number?

• 1
• 37
• 63
• 33

Tags

CCSS.4.OA.B.4

Which of the following is a factor of 54?

• 4
• 7
• 5
• 9

Tags

CCSS.4.OA.B.4

Which number listed below is a prime number?

• 1
• 37
• 63
• 33

Tags

CCSS.4.OA.B.4