engleski

On the largest prime factor of n^2-1

We find all integers n such that n^2-1 has only prime factors smaller than 100. This will give us some interesting corollaries. For example, for any given integer m > 0, we can find the largest integer x, such that x, x+1, .., x+m all have prime factors less than 100.

Pell equation ; primitive divisors

nije evidentirano