The phrase "factually and" is correct and usable in written English.
You can use this phrase to link two different but related ideas or facts together. For example: "The evidence is factually and logically sound."
It was factually and technically accurate.
I wrote the book factually and with respect.
It deals with events as factually and coldly as possible.
"We believe the decision was factually and legally erroneous," U.P.S. said in a statement on Monday.
Human Rights Watch dismissed that as a "whitewash" and said it was "factually and legally wrong".
Further, in his accounts of his family history Obama often overreaches "factually and poetically".
Any opposition complaints that this decision is "crazy" or bypassing Congress are factually and legally wrong.
"But the lawsuit cannot accomplish legislative change, and the lawsuit is factually and legally baseless".
But many of the details differ, and some tilt decisively in Mr. Obama's favor, both factually and politically.
Most important, they say, proponents are factually and legally wrong about the constitution's "full faith and credit" clause.
"This is an easy case, in my view, because it is wholly without merit, both factually and legally".
