Skip to main content

All Questions

4 votes
0 answers
243 views

Proper divisors of $P(x)$ congruent to 1 modulo $x$

Let $P(x) $ be a polynomial of degree $n\ge 4$ with integer coefficients and constant term equal to $1$. I am interested in Polynomials $P(x) $ such that for a fixed positive integer $b$, there are ...
ASP's user avatar
  • 234
-1 votes
1 answer
131 views

Find largest small prime factor [closed]

Let $\mathcal{Q}=19^5+660^5+1316^5$ . We know that $25$ is a factor of $\mathcal{Q}$ . Find with a proof the largest prime factor of $\mathcal{Q}$ not exceeding of $10,000$. I found by computer ...
John's user avatar
  • 1,056