Only primes are proper numbers – the rest are just constructed from primes

INTERESTING, BUT… the fundamental theorem of arithmetic states: “The theorem says that every positive integer greater than 1 can be written as a product of prime numbers (or the integer is itself a prime number). … If two people found two different ways to write the number, the only thing that can be different is the order in which the primes are written.”

Fundamental theorem of arithmetic - Simple English Wikipedia, the free encyclopedia

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The Fundamental theorem of arithmetic (also called the unique factorization theorem) is a theorem of number theory. The theorem says that every positive integer greater than 1 can be written as a product of prime numbers (or the integer is itself a prime number). The theorem also says that there is ... Read more