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, 04:04, 3 February 2010
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| \text{p}_6 = 13, & | | \text{p}_6 = 13, & |
| \ldots | | \ldots |
| + | \end{matrix}</math> |
| + | |} |
| + | |
| + | The positive integer <math>i</math> is the ''index'' of the prime <math>\text{p}_i.</math> |
| + | |
| + | Let <math>I(n)</math> be the set of indices of primes that divide the positive integer <math>n.</math> |
| + | |
| + | Let <math>j(i, n)</math> be the number of times that <math>\text{p}_i</math> divides <math>n.</math> |
| + | |
| + | The prime factorization of a positive integer <math>n</math> can be written in the following form: |
| + | |
| + | {| align="center" cellpadding="6" width="90%" |
| + | | |
| + | <math>\begin{matrix} |
| + | n & = & \prod_{i \in I(n)} \text{p}_{i}^{j(i, n)} |
| \end{matrix}</math> | | \end{matrix}</math> |
| |} | | |} |