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Fundamental theorem of arithmetic

Every whole number greater than 1 is a product of primes, in exactly one way (apart from order). History: Euclid, c. 300 BC; Gauss, 1801.

How to work it out

  1. 1

    The statement:

    n=p1a1p2a2⋯pkakn = p_1^{a_1} p_2^{a_2} \cdots p_k^{a_k}
  2. 2

    Every whole number greater than 1 is a product of primes, in exactly one way (apart from order).

  3. 3

    Below, the numbers in the table are computed by this site from the definition, not copied.

LaTeX source of the formulas on this page
\[ n = p_1^{a_1} p_2^{a_2} \cdots p_k^{a_k} \]

Prime factorisations (computed)

nPrime factorisationDivisors
12222^{2} Ɨ 36
60222^{2} Ɨ 3 Ɨ 512
84222^{2} Ɨ 3 Ɨ 712
360232^{3} Ɨ 323^{2} Ɨ 524
10017 Ɨ 11 Ɨ 138
23102 Ɨ 3 Ɨ 5 Ɨ 7 Ɨ 1132
5040242^{4} Ɨ 323^{2} Ɨ 5 Ɨ 760

Questions

What is the fundamental theorem of arithmetic?

Every whole number greater than 1 is a product of primes, in exactly one way (apart from order).

Who is the Fundamental theorem of arithmetic associated with?

Euclid, Carl Friedrich Gauss.

People

More theorems

    Fundamental theorem of arithmetic: statement, example and proof idea | WordGPT