Content code
m1659
Slug (identifier)
prime-factors-and-prime-factorization-elementary
Parent content
Grades
Grade 4
Grade 5
Grade 6
Equivalent file in the opposite grade group
Topic
Mathematics
Content
Title (level 2)
3rd and 4th Grade
Title slug (identifier)
third-and-fourth-grade
Contenu
Contenu
Title
What is a prime factor?
Content
Content
Corps

A prime factor is a factor that is a prime number.

To find out what a factor is, read the concept sheet Multiplying Numbers.

Example:

Image
Multiplication example where a factor is a prime number.
Title
What is prime factorization?
Content
Content
Corps

Prime factorization is decomposing a natural number greater than 1 into a multiplication equation whose factors are all prime numbers.

Corps

You obtain the prime factorization of a number once the number is decomposed into a multiplication equation whose factors are all prime numbers.

Content
Corps

2 × 2 × 2 × 2 × 3 = 48

2 × 2 × 2 × 2 × 3 is the prime factorization of the number 48. Each factor in the multiplication equation is a prime number and the product is 48.

Title
How to find the prime factorization of a number
Content
Corps

You can find the prime factorization of a number by using a factor tree.

To find out how, read the concept sheet The Factor Tree.

Contenu
Title
See also
Content
Links
Title (level 2)
5th and 6th Grade
Title slug (identifier)
fifth-and-sixth-grade
Contenu
Contenu
Title
What is a prime factor?
Content
Content
Corps

A prime factor is a factor that is a prime number.

To find out what a factor is, read the concept sheet Multiplying Numbers​​.

Example:
 

Image
Multiplication example where a factor is a prime number.
Title
What is prime factorization?
Content
Content
Corps

Prime factorization is decomposing a natural number greater than 1 into a multiplication equation whose factors are all prime numbers.

Corps

You obtain the prime factorization of a number when the number is decomposed into a multiplication equation whose factors are all prime numbers.

Content
Corps

2 × 2 × 2 × 2 × 3 = 48

2 × 2 × 2 × 2 × 3 is the prime factorization of the number 48, since each factor in the multiplication equation is a prime number and their product is 48.

Content
Corps

It is possible to use exponential notation to express the prime factorization of a number.

Example:

The prime factorization 2 × 2 × 2 × 2 × 3 can also be written as 24 × 3 = 48.

Title
How to find the prime factorization of a number
Content
Corps

Find the prime factorization of a number by using a factor tree.

To find out how, read the concept sheet The Factor Tree.

Contenu
Title
See also
Content
Links