Find all integers a, b, c where c is a prime number such that

**a^b + c **and

**a^b - c **are square numbers.

Source: Pedro Henrique O. Pantoja, Brazil

(In reply to

solution (spoiler) by Charlie)

No values ??

Solve: **m^2-n^2=4**

*-corrected a typo. Tnx, armando.*

*Edited on ***February 2, 2018, 6:25 pm**