[seqfan] Software for searching for Wolstenholme primes?

Georgi Guninski guninski at guninski.com
Sat Nov 17 11:02:18 CET 2012

Out of blind opportunism I am looking for efficient software for
verifying if a prime is a  Wolstenholme prime A088164.

The basic definition requires computing a binomial coefficient
mod p^4.

For this task found Max Alekseyev's pari binomod.gp, but it appears
slow to me: for p=2124679 binomod took 6 seconds.

Is there efficient software or references for searching
for Wolstenholme primes?

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