Prime or Composite/Odd or Even

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1 point

All even numbers can be divided by _______.

1 point

Which numbers are composite? Mark all that apply.

1 point

All odd numbers that have a 5 in the one's place can be divided by _____ and ______.

5 and 0

2 and 3

5 and 2

1 point

If you are unsure if an odd number is composite or prime, you should try to divide it by 5 or _______.

1 point

Which is an odd number that is composite?

1 point

Which numbers are not prime or composite?

1 point

True or False. All odd numbers can be divided by 3 or 5.

True

False

1 point

True or False. All even numbers are composite.

True

False

1 point

Which number is even, but NOT composite?

104

10.

1 point

Which is a composite number?

11.

1 point

Which factors do 12 and 24 have in common? Mark all that apply.

12.

1 point

Mark all of the factors of 72. You must choose all.

13.

1 point

True or False. The factors of 39 are 1 and 39 only.

True

False

14.

1 point

True or False. 65 is an odd number that is composite.

True

False

15.

1 point

Which is a prime number?

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