A prime number is any natural number greater than 1, which cannot be factored as the product of two smaller numbers.
A prime number is any natural number greater than 1, which cannot be factored as the product of two smaller numbers.
Fundamental theorem of arithmetic (~300 BCE): every natural number greater than 1 can be expressed uniquely as the product of primes (up to rearrangement).
Fundamental theorem of arithmetic (~300 BCE): every natural number greater than 1 can be expressed uniquely as the product of primes (up to rearrangement).