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Maths

Factors and multiples

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In this Revision Bite we are going to look at:

Factors

The factors of a number are any numbers that divide into it exactly. This includes 1 and the number itself.

For example, the factors of 6 are 1, 2, 3 and 6. The factors of 8 are 1, 2, 4 and 8.

For larger numbers it is sometimes easier to ‘pair’ the factors by writing them as multiplications.

For example, 24 = 1 x 24 = 2 x 12 = 3 x 8 = 4 x 6

So the factors of 24 are 1, 2, 3, 4, 6, 8, 12 and 24.

Question

What are the factors of 40?

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Answer

The factors of 40 are 1, 2, 4, 5, 8, 10, 20 and 40.

Make sure that you got all of them. Do not forget 1 and 40.

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