# Prime Factorisation, HCF and LCM

- Link: https://thecuriosi.com/lessons/aptet-maths-hcf-lcm/
- Published: 2026-11-03T18:19:25+05:30
- Author: MAHENDRA MANCHIKALAPATI

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 2. [APTET Maths: Numbers and Arithmetic](https://thecuriosi.com/courses/aptet-maths-numbers-arithmetic/)
 3.  Lesson 3 of 10

Find prime factorisations, HCF and LCM by factorisation and division, use HCF × 
LCM = product, and solve APTET word problems on bells, lengths and groups.

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