LCM and HCF (Edexcel GCSE Maths): Flashcards
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LCM stands for
LCM stands for
Lowest Common Multiple
Definition of LCM
Definition of LCM
Smallest number that all given numbers divide into
Method to find LCM
Method to find LCM
List multiples, identify smallest common number
What is the LCM of 12 and 15?
What is the LCM of 12 and 15?
60
HCF stands for
HCF stands for
Highest Common Factor
Definition of HCF
Definition of HCF
Largest number that divides evenly into all given numbers
Method to find HCF
Method to find HCF
List factors, find largest common one
What is the HCF of 36, 54, and 72?
What is the HCF of 36, 54, and 72?
18
LCM: smallest or largest?
LCM: smallest or largest?
Smallest
HCF: smallest or largest?
HCF: smallest or largest?
Largest
LCM uses multiples or factors?
LCM uses multiples or factors?
Multiples
HCF uses multiples or factors?
HCF uses multiples or factors?
Factors