Prove that an integer with digits '1' is not a perfect square.

matt grime

For mikeyflex: every prime not equal to 2 or 3 is of the form 6m+1 or 6m-1 for some integer m. This completely explains your observation.

matt grime Recognitions: Homework Help Science Advisor	Prove that an integer with digits '1' is not a perfect square. For mikeyflex: every prime not equal to 2 or 3 is of the form 6m+1 or 6m-1 for some integer m. This completely explains your observation.