Mathematik Übungen

Multiples and factors

Is 4 a factor of 28?

Multiples

The multiples of a number are the values in that number’s times table. E.g. the multiples of 5 are 5 , 10 , 15 , 20 , 25 and so on.

There is an infinite amount of multiples of any given number.

Factors

Factors of the number are the numbers you multiply together to get this number. A factor is an integer that will divide exactly into another number. E.g. 8 is a factor of 24 because 8 will divide into 24 exactly 3 times with no remainder.

Factor pairs

Factor pairs are two integers which multiply together to make a particular number. For example, the factor pairs of 20 are 1 and 20; 2 and 10; 4 and 5. This means that the factors of 20 are: 1 , 2 , 4 , 5 , 10 and 20. Every integer has a finite number of factors.


   
   

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