AlgebraLab

Fundamental Theorem of Arithmetic

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Pronunciation: fun•da•MEN•tal THE•o•em OF a•RITH•me•tic

Definition

Every positive integer is either prime or can be uniquely factored as a product of primes.

Example

  • 11 is prime
  • 60 is not prime, but can be factored using primes as: 60 = 2•2•3•5