Hi, what do you want to do?
Curated OER
How Do You Find All the Factors of a Number?
How do you find the factors of a given number? The teacher will show you how to use a table, test out your answers, and then write all your factors in a list. If you know the divisibility rules, that will also help you out.
Khan Academy
Khan Academy: Arithmetic and Pre Algebra: Recognizing Divisibility
This video explains how to test whether a number is divisible by a list of other numbers under 10. Practice problems are available. [6:26]
Khan Academy
Khan Academy: Arithmetic and Pre Algebra: Common Divisibility Examples
This video shows how to determine the prime factorization of a number to determine divisibility. Practice problems are available. [8:13]
Math Playground
Math Playground: Divisibility Rules
This video illustrates the divisibility rules for factors 2, 3, 4, 5, 6, 8, 9 and 10.
Khan Academy
Khan Academy: Prime Factorization: Common Divisibility Examples
This video shows how to determine the prime factorization of a number to determine divisibility.
Khan Academy
Khan Academy: Divisibility and Factors: Divisibility Intuition
A video showing how to find the factors of given numbers.
Khan Academy
Khan Academy: Divisibility and Factors: Finding Factors of a Number
In this video learn how to find the factors of a number.
Loyola University Chicago
Math Flix: Divisibility Rules
This QuickTime movie provides an opportunity to learn and practice the divisibility rules. As you watch and listen to the teacher and student interact it helps clarify the thinking behind applying this concept.
Loyola University Chicago
Math Flix: Finding Factors of 126
This video provides an opportunity to see how you might go about finding the factors of a specific composite number, 126. As you watch and listen to the teacher and students interact it helps clarify the thinking behind applying this...
Loyola University Chicago
Math Flix: Prime Numbers: Seen in Graphics
This QuickTime movie provides an explanation of just what prime numbers are using graphics. As you watch and listen to the teacher and students interact it helps clarify the thinking behind applying this concept.
Sophia Learning
Sophia: Divisibility: Lesson 1
This lesson grouping provides students with a wide variety of tricks and techniques to determine if one number is divisible by another number. It is 1 of 6 in the series titled "Divisibility."
Sophia Learning
Sophia: Divisibility Rules: Lesson 10
This lesson introduces the rules of divisibility. It is 10 of 11 in the series titled "Divisibility Rules."
Sophia Learning
Sophia: Divisibility Rules: Lesson 2
This lesson introduces the rules of divisibility. It is 2 of 11 in the series titled "Divisibility Rules."
Sophia Learning
Sophia: Divisibility Rules: Lesson 7
This lesson introduces the rules of divisibility. It is 7 of 11 in the series titled "Divisibility Rules."
Sophia Learning
Sophia: Divisibility: Lesson 2
This lesson grouping provides students with a wide variety of tricks and techniques to determine if one number is divisible by another number. It is 2 of 6 in the series titled "Divisibility."
