Prime Numbers Worksheet (With Answers)

ADVERTISEMENT

4–14
Name
Date
Prime Numbers
A number whose only factors are 1 and itself is called
1
2
2
a prime number. The number 2 is a prime number because
the only factors of 2 are 1 and 2.
1
4
4
The number 4 is not a prime number. The number 4 has three
2
2
4
factors, 1, 2, and 4.
Think about the definition of prime numbers and different ways to make
products to solve the following problems.
List the numbers from 3 through 10. Which numbers are prime? Which are not
1.
prime? How do you know?
Are any of the following numbers prime: 6, 8, 10, 12, 14, 16, 18? Explain.
2.
Look at the numbers in problem 2. What do these numbers have in common?
3.
The number 2 is even and it is a prime number. Are there other even numbers
4.
that are prime numbers? Explain.
Explore It A number that is not a prime number is called a composite
5.
number. On a separate sheet of paper, list the numbers from 2 through 18. Tell
if each number is prime or composite. Write two pairs of factors for each
composite number on the list.

ADVERTISEMENT

00 votes

Related Articles

Related forms

Related Categories

Parent category: Education
Go
Page of 2