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Is 27 a prime or composite
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Is 27 a prime or composite

User Siphor
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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.
User Walker
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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
:)
User GeorgeC
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