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Number Theory - Basics

How does one check if a number is divisible by another? What are prime and composite numbers and how are they used to compute GCF? Topics like these and more are covered in this concept.
The concept is broken into smaller topics, which makes it easier and much more fun for students. The topics are listed below:-
Divisibility Checks
In this topic, we will learn how to check if a number is divisible by another. We will also learn the concept of prime and composite numbers, and even and odd numbers.
Video Lesson for Divisibility Checks
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Factors and Prime Factorization
In this topic, we will learn to list all the factors of a number. We will also learn to write prime factorizations of composite numbers.
Video Lesson for Factors and Prime Factorization
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Greatest Common Factor
In this topic, we will learn to find the greatest common factor (GCF) of a set of numbers, and solve related application problems.
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