prime and composite numbers

Is 29 prime or composite?

• Prime
• Composite
• Neither

Composite numbers have

• no factors.

• one factor.

• two factors.

• three or more factors.

Which answer choice lists all the factors for 27?

• 3, 9
• 1, 3, 9, 27
• 1, 3, 6, 9, 12, 27
• 1, 3, 6, 9, 18, 27

Which of the following numbers is COMPOSITE?

• 2
• 37
• 41
• 4

List the first 5 MULTIPLES of 3

• 3, 6 10, 15, 20
• 1, 3, 2, 6, 4
• 3, 6, 9, 12, 15
• 6, 9, 12, 15, 18

When we skip count, we are listing .....

• factors
• divisors 
• addition 
• multiples

Which number is NOT a factor of 10?

• 1
• 2
• 3
• 5

Which number is not a multiple of 6?

• 12

• 42

• 18

• 35

How is a prime number different from a composite number?

• Prime numbers are smaller than composite numbers.
• Composite numbers are larger than prime numbers.
• All odd numbers are prime numbers.
• Prime numbers have only 2 factors, and composite numbers have more than 2 factors.

True or False?

1 is a prime number.

• True

• False