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##### gcfactor

gcfactor(-2);

gcfactor(gcfactor(-2));

Calculate

##### gcfactor

foo: 74*%i-11*(%i+1)^...

gcfactor(gcfactor(foo));

Calculate

##### gcfactor

gcfactor( 274177);

Calculate

##### gcfactor

gcfactor(20161019);

Calculate

##### gcfactor

foo: 74*%i-11*(%i+1)^...

gcfactor(foo);

Calculate

gcfactor(8);

Calculate

##### gcfactor

gcfactor(x^2+y^2+xy-39);

Calculate

gcfactor (19);

Calculate

gcfactor(2^3);

Calculate

##### gcfactor

gcfactor(6700417);

Calculate

### gcfactor

Run Example
```(%i1)gcfactor(-2);
2
(%o1)                            %i (1 + %i)
(%i2) gcfactor(%);
(%o2)             ```
Run Example
```? gcfactor;

-- Function: gcfactor (<n>)
Factors the Gaussian integer <n> over the Gaussian integers, i.e.,
numbers of the form `<a> + <b> `%i'' where <a> and <b> are
rational integers (i.e.,  ordinary integers).  Factors are
normalized by making <a> and <b> non-negative.

(%o1)                                true
(%i2) ```
Run Example
```gcfactor(x^2+y^2+xy-39);
2         2
(%o1)                          y  + xy + x  - 39
(%i2) ```

### Related Help

Help for Gcfactor 