Difference between revisions of "Multiplicative inverse"
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In Modular arithmetic, y is the multiplicative inverse of x if: | In Modular arithmetic, y is the multiplicative inverse of x if: | ||
| − | <cmath>xy \equiv 1 (mod m)</cmath> | + | <cmath>xy \equiv 1 (\text{mod m})</cmath> |
and if x is not relatively prime to m | and if x is not relatively prime to m | ||
Revision as of 16:43, 4 August 2021
In Modular arithmetic, y is the multiplicative inverse of x if:
![\[xy \equiv 1 (\text{mod m})\]](http://latex.artofproblemsolving.com/0/f/2/0f2556ddbddb57a37ab2bef984d200b4c7d2cd86.png)
and if x is not relatively prime to m
