Which of the following is NOT a prime number?
Which best describes a prime number?
Which best describes a composite number?
What number is neither prime nor composite?
Which of the following is a prime number?
Which number is even?
Which number is odd?
Which best describes an odd number?
Identify the numbers that are odd.
Prime numbers are all odd.
Drag each number to either prime or composite.
43
33
51
19
27
23
Prime
Composite
Drag each number to either prime or composite.
17
63
9
2
11
28
4
Prime
Composite
Select all the composite numbers from the list below. Use your divisibility rules.
7, 21, 37, 44, 51, 63, 81, 82