Prime Factorisation

How to Find The Prime Factors Using Factor Tree

April 30, 2023

PRIME FACTORISATIONPrime factorisation is the process by which a composite number is rewritten as the product of prime factors. Example 1: Find out the prime factorisation of 30. First we will see whether the given number is divisible by a least prime nu…

How To Find The HCF And LCM Using Prime Factorisation Method

Dec. 15, 2022

Find The HCF And LCM using Prime Factorisation MethodRelation between two numbers and their HCF and LCM Consider two numbers 18 and 24. Prime factorisation of 18 = 2 × 3 × 3 Prime factorisation of 24 = 2 × 2 × 2 × 3 So, HCF = 2 × 3 = 6 LCM = 2 × 2 × 2 × …