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Factors & Multiples

Factors & Multiples (definitions) GCSE Maths Ormerod

TermDefinition
Even numbers Numbers that divide by 2. They always end in 2,4,6,8 or 0.
Odd numbers Numbers that do not divide by 2. They always end in 1,3,5,7 and 9.
Factors Whole numbers that divide exactly into a number. They include 1 and the number itself.
Multiples The results of multiplying a number by a (positive whole) number.
Common multiple A number that is a multiple of more than one number.
Prime number A (whole) number greater than 1 whose only factors are 1 and itself.
Prime factor A factor that is also a prime number.
Common factor A number that is a factor of more than one number.
Lowest common multiple (LCM) The lowest multiple that is common to (the same in) two or more given numbers.
Highest common factor (HCF) The highest factor that is common to (the same in) two or more given numbers.
Square number The result of multiplying a (whole) number by itself.
Cube number The result of multiplying a (whole) number by itself then multiplying the result by the original number.
Created by: lesleycollins