Maximum prime divisor of $13^4+16^5-172^2$
29764
Find the largest of the three prime divisors of the number $13^4 + 16^5 - 172^2$
15348
prime divisor of $3n+2$ proof
10742
Powers of prime factors of a positive integer $n$ in "Mathematica"?
73515
Primes Number Theory
8142
Algorithm to find Largest prime factor of a number
18405
What is the greatest integer that divides $p^4-1$ for every prime number $p$ greater than $5$?
80907
Primes dividing a polynomial
81058
Evaluate $6^{433} \pmod {21}$ and a proving question
157914
$13$ is the largest prime that can divide two successive integers of the form $n^2+3$
8710
Bounds for $n$-th prime
91565
How to efficiently compute $\,25^{37}\pmod{55}$?
31064
Showing $x^8\equiv 16 \pmod{p}$ is solvable for all primes $p$
75378
how to prove this extended prime number theorem?
67104
Find maximum divisors of a number in range
145617
Is there any simple trick to solve the congruence $a^{24}\equiv6a+2\pmod{13}$?
9787
Primitive roots modulo primes congruent to n!
31708
Divisibility criteria for $7,11,13,17,19$