Printable Worksheets
Available Worksheets
Example:
Prime factors of 12
2, 2, 3
2, 3, 3
2, 3, 6
Grades:
5
6
7-12
Example:
13 is a
number.
composite
prime
Grades:
4
5
Example:
What are the factors of 82?
2
9
41
28
Grades:
4
5
6
7-12
Example:
LCM (least common multiple) of 3 and 6
3
6
9
Grades:
5
6
7-12
Instructions:
1. Read the given question.
2. Find the factors of each number.
3. Look at the common factors.
4. Click the greatest common factors.
Grades:
5
6
7-12
Example:
Common multiples of 2 and 3
6, 12, 18,...
2, 3, 6, ...
6, 9, 12, ...
Grades:
5
6
7-12
Example:
What are the common factors of 15 and 33?
Factors of 15 → 1, 3, 5, 15
Factors of 33 → 1, 3, 11, 33
Common Factors → 1, 3
Grades:
5
6
7-12
Instructions:
1. Read the given question.
2. Find the sum of its prime factors.
3. Click the correct number type.
Grades:
7-12
Example:
125 is a
number.
composite
prime
Grades:
6
7-12
Example:
First four multiples of 2
1, 2, 3, 4
2, 4, 5, 10
2, 4, 6, 8
Grades:
4
5
6
7-12
Instructions:
1. Read the given question.
2. Evaluate its prime factors.
3. Click the correct type.
Grades:
7-12
Example:
Prime factors of 12
22, 3
2, 32
62
Grades:
6
7-12