erica10 erica10

01-03-2016
Mathematics

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is 27 a prime or composite

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01-03-2016

Prime numbers are numbers that can only be factored by one and itself. Since 27 has factors: 1,3,9, and 27, it is a composite number
:)

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SmarticalParticals SmarticalParticals

01-03-2016

Prime numbers are only divisible by that number and 1. 27 is divisible by 27 and 1, but it is also by 3 and 9 so it is composite.

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