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D.12.1.5 euler
Procedure from library aksaka.lib (see aksaka_lib).
- Usage:
- euler(r);
- Return:
- bigint phi(r), where phi is Eulers phi-function
- Note:
- first r is factorized with proc PollardRho, then phi(r) is
calculated with the help of phi(p) of every factor p;
Example:
| LIB "aksaka.lib";
euler(99991);
==> 99990
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