# Operations with integers and prime factorisation

> This section is operations with integers and prime factorisation for HCF and LCM. You will add, subtract, multiply and divide integers, apply BODMAS, and write numbers as products of prime factors…

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## Full notes

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## More in Number systems and integers

- [Number systems and classification of real numbers](https://www.hlayiso.com/grade-9/mathematics/notes/number-systems-and-integers/number-systems-and-classification-of-real-numbers) — Previous section
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## Frequently asked questions

### What will I learn in "Operations with integers and prime factorisation"?

This section covers Operations with integers and prime factorisation as part of Number systems and integers in Grade 9 Mathematics. You'll find clear explanations, worked examples, and key definitions aligned to the CAPS curriculum.

### Is this section aligned with the CAPS curriculum?

Yes. All notes on Hlayiso, including "Operations with integers and prime factorisation", are written against the official CAPS curriculum and ATP for Grade 9 Mathematics.

### What should I study after "Operations with integers and prime factorisation"?

Continue with the next section in Number systems and integers, or test your understanding with the interactive quiz linked to this section.

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