ifactors Test Problem

[Didier Lachieze]

(09-06-2017 05:16 PM)Helge Gabert Wrote:  Try storing DIM(ifactors(X)) into a list, say L1, and then try

IF L1(1) == 2 THEN . . .

You can also use EQ to compare two lists :

IF EQ(DIM(ifactors(X)),{2}) THEN....

...but ifactors(8) returns [2 3]: factor 2, multiplicity 3, so it won't help you to identify prime numbers.