- Oct 1, 2011Mike wrote:
> Now do you feel like factorising the 98+27=125-digit integer (u[29]+1)

We only need the smallest factor which is trivially found by trial

factoring to be 103.

The sequence of smallest prime factors is the Euclid-Mullin sequence.

See for example http://oeis.org/A000945 and

http://en.wikipedia.org/wiki/Euclid%E2%80%93Mullin_sequence

The smallest missing prime in the 47 known terms is 31.

--

Jens Kruse Andersen - << Previous post in topic Next post in topic >>