4.OA.4 Practice

the only factors prime numbers have are:

• 0 and 1
• 0 and itself
• 1 and itself
• 1

Which list has only prime numbers?

• 2, 3, 4, 5
• 1, 5, 7, 9
• 2, 3, 5, 7
• 2, 4, 6, 8

Which list is only composite numbers?

• 1, 3, 4
• 2, 4, 6
• 4, 6, 8
• 5, 6, 8

Find the prime number.

• 0
• 1
• 7
• 4

True or False
0 is a COMPOSITE number.

• TRUE
• FALSE

Which number below is a prime number?

• 1
• 0
• 2
• 9

which number below is NOT prime?

• 7
• 9
• 2
• 3

Which number is prime?

• 9
• 5
• 0
• 1

Composite numbers:

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

Find the prime number.

• 10
• 9
• 7
• 4