Mathematics Terminology

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Prime Number

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A number that is only divisible by 1 and itself.

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Composite Number

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Positive numbers other than 1 which are not prime.

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Multiple

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The result when that number is multiplied by another number.

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Lowest Common Multiple (LCM)

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The smallest multiple common to a set of numbers. e.g. The LCM of 3 and 4 is 12.

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Factor

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A number that you multiply with another number to get a product.

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Highest Common Factor (HCF)

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The largest factor common to a set of numbers. e.g. the HCF of 16 and 24 is 8.

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Estimate

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A rough judgement of quantity, value, or number.

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Sum

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The answer when two or more values are added together.

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Product

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The answer when two values are multiplied together.

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Quotient

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A result obtained by dividing one quantity by another.