1.1.5

Definitions & Terms

Test yourself

Definitions of Whole Numbers

You should understand the following terms: odd, even, prime, factor, multiple, common factor, common multiple, square, cube, and root.

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Odd, even and prime numbers

  • An odd number is any whole number which has one as a remainder when it is divided by two.
  • An even number is any whole number which can be divided by two without a remainder.
  • A prime number is any whole number which can only be divided by 1 and itself.
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Factors and multiple

  • A factor is a number that, when multiplied with another number, gives a new number.
  • A multiple is a number that can be divided by another (smaller) number several times with no remainder.
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Square and cube numbers

  • A square number is the product of a number which is multiplied by itself.
  • A cube number is the product of a number which is multiplied by itself, and then multiplied again by itself.
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Root numbers

  • A square root is the quotient of a number multiplied by itself.
  • A cube root is the quotient of a number multiplied by itself and again by itself.

Factors

Factors are numbers that divide exactly into another number. What are the factors of 8?

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Multiples

Multiples are a bit like the times tables. For example - what are the first 5 multiples of 4?

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Jump to other topics

1Numbers

2Equations, Formulae & Identities

3Sequences, Functions & Graphs

4Geometry

5Vectors & Transformation Geometry

6Statistics & Probability

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