MATH HW 1 LEVEL 2

Choose all that apply. The number 9 is

• even
• odd
• prime
• composite

Is 19 prime or composite?
Prime
Composite

A prime number is _____________________________________________________________                                                                                                                             .

A composite number is                                                       .____________________________________________________________


A prime number always

• is an odd number
• has only two factors
• is divisible by 3
• is a square number

A composite number is

• A number that has only 2 factors.
• A number that creates other numbers.
• Always last.
• A number which has factors other than 1 and itself.

Choose all that apply. The number 52 is

• even
• odd
• prime
• composite

Erin says that 8 is a prime number.

Erin is wrong. Explain why.

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