Factors
Factors are numbers that divide exactly into another number.
The factors of 12, for example, are 1, 2, 3, 4, 6 and 12.
Factors can be shown in pairs. The factors of 12 can be shown:
1 and 12 1 x 12 = 12
2 and 6 2 x 6 = 12
3 and 4 3 x 4 = 12
Each pair multiplies to make 12.
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