Foundations of Factors and Multiples

General Skills

You'll build fluency with factors, factor pairs, and multiples, and learn to classify whole numbers greater than 1 as prime or composite, while recognizing 1 as neither, — the essential foundation for all later work with divisibility and prime factorisation.

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4 lessons

16 practices

1 hour

Analyzing Number Properties

Course details

Factors as Exact Divisors

Preview

Factor Check Practice

Match Division And Multiplication

Is It A Factor

Explain Equal Division

Next Course: Divisibility Shortcuts

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From our community

Hear what our customers have to say about CodeSignal Learn

I'm impressed by the quality and can't stop recommending it. It's also a lot of fun!

Francisco Aguilar Meléndez

Data Scientist

+11

I love that it's personalized. When I'm stuck, I don't have to hope my Google searches come out successful. The AI mentor Cosmo knows exactly what I need.

Faith Yim

Software Engineer

+14

It's an amazing product and exceeded my expectations, helping me prepare for my job interviews. Hands-on learning requires you to actually know what you are doing.

Alex Bush

Full Stack Engineer

I'm really impressed by the AI tutor Cosmo's feedback about my code. It's honestly kind of insane to me that it's so targeted and specific.

Abbey Helterbran

Tech consultant

I tried Leetcode but it was too disorganized. CodeSignal covers all the topics I'm interested in and is way more structured.

Jonathan Miller

Senior Machine Learning Engineer

+12

I'm impressed by the quality and can't stop recommending it. It's also a lot of fun!

Francisco Aguilar Meléndez

Data Scientist

+11