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 A number such as 6 has 4 factors, shown on the legs of this factor spider.

 

Factor spider 6

 

 

The number 12 has 6 factors, shown on the legs of this factor spider.

Factor spider 12
 
 
 
 
Some factor spiders, such as the number 9, have an ODD number of legs.
 
These are the SQUARE NUMBER factor spiders.
 
 
 Factor spider 9
 
 
Remember that 9 = 3 x 3 = 3 squared.
 

 

 

 

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