The discussion focuses on demonstrating that 25 is a strong pseudoprime to base 7 using Miller's test. The user suggests an efficient approach by calculating \(7^{25} \mod 25\) and highlights the importance of modular arithmetic to prevent large exponentiation. The calculation shows that \(7^2 \equiv -1 \mod 25\) and leads to the conclusion that \(7^{24} \equiv 1 \mod 25\), confirming 25's status as a strong pseudoprime to base 7.
PREREQUISITESMathematicians, computer scientists, and cryptographers interested in number theory and primality testing.