LCM and HCF (AQA GCSE Maths): Flashcards

Smallest number that all given numbers divide into exactly

Largest number that divides into all given numbers exactly

LCM finds smallest multiple, HCF finds largest factor

All prime factors from either number

Only prime factors common to both numbers

List multiples, find smallest in both lists

List factors, find largest in both lists

For smaller numbers

$60$

$18$