CarlStubson683 CarlStubson683

24-02-2015
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Explain how you know that 87 is a composite number.

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dhinton dhinton

24-02-2015

87 is a Composite number because it can be divided by 3 and it is not a prime number. In other words A composite number is a number that is more than one and not a prime number.
87/3=29, Not a prime number
87-1= 86, Above 1

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