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CHAPTER
2 2
Factors Multiples CHAPTER
Factors of 12: Multiples of 6:
1, 2, 3, 4, 6, 12 6, 12, 18, 24, 30, …
Factors of 18: Multiples of 8:
1, 2, 3, 6, 9, 18 8, 16, 24, 32, 40, …

Common factors Common multiples

Common factors of 12 and 18: Common multiples of 6 and 8:
1, 2, 3, 6 24, 48, 72, 96, 120, …

Highest common factor Lowest common multiple

Highest common factor Lowest common multiple
of 12 and 18: of 6 and 8:
6 24

Very Work
good harder
determine and list the factors of a whole number, and subsequently make a
generalisation about factors.
determine and list the prime factors of a whole number and subsequently express
the number in the form of prime factorisation.

explain and determine common factors of a whole number.
determine the HCF of two or three whole numbers.
solve problems involving HCF.
explain and determine common multiples of a whole number.

determine the LCM of two or three whole numbers.
solve problems involving LCM.

43
Factors and Multiples

02 TB Math F1.indd 43 11/10/16 12:08 PM