The Top Ten by Rudolf Ondrejka
a catalogue of primal configurations
(Another of the Prime Pages' resources)
 New record prime: 274,207,281-1 with 22,338,618 digits by Cooper, Woltman, Kurowski, Blosser & GIMPS (7 Jan 2016).

Search Site

The 5000
Top 20
How Many?

Prime Curios!
Prime Lists

e-mail list

Submit primes

For many years Rudolf Ondrejka kept a list of record primes of various forms using his typewriter.  This was a true and impressive labor of love.  His amazing work lists records primes with dozens of different special forms, why not take a look?

For the last couple years of Rudy's life, Harvey Dubner (and his wife) converted these lists into a form we could offer online.  Currently Harvey stores them as TeX documents and we present a couple versions here:

The Prime Pages
Another prime page by Chris K. Caldwell <>