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Unformatted text preview: class.] Denition: Let n Z . We say that n is a product of primes if there exist r N and prime numbers p 1 ,p 2 ,...,p r (not necessarily distinct) so that n = p 1 p 2 p r . Notice that, since we can have r = 1, every prime number is a product of primes....
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- Fall '09