Information as of 2020-04-07: Inserting more history entries for

**Riesel primes k<300 (k=1-49 done)****Collected:**MersenneForum thread "POST LOTS AND LOTS OF PRIMES HERE":**#1 (2010-03-17) - #1945 (2020-03-11)**(**100%**) done.**Collected:**IDs for Riesel primes of the The Prime Pages:*k*= 1 - 299**100%**) done.**DONE**: MersenneForum thread "Riesel Primes k*2^n-1, k<300 (Part II)" (#1 (2007-07-08) - #986 (2020-04-06)).**Please check your reservations here****.**

# Woodall number

In number theory, a **Woodall number** W_{n} is any natural number of the form

- W
_{n}= n × 2^{n}-1

for some natural number *n*.

A **Woodall prime** is a Woodall number which is prime.