The List of Largest Known Primes Home Page
(Another of the Prime Pages' resources)
The Largest Known Primes Icon
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The nth Prime Page will now find any of the first 2,623,557,157,654,233 primes or π(x) for x up to 100,000,000,000,000,000.

Are you looking for the largest known primes?  Lists of records?  Information on who finds the biggest primes (and how?)  You are at the right place!  Here we keep the list of the 5000 largest known primes, updated hourly (hundreds of new primes are submitted every month).  We are the world's primary source to the current prime number records.

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  1. The current list of primes
  2. Background information
  3. Tell me more!
Note: these are the largest known primes--so they are very big (most have hundreds of thousands of digits!)  If you want smaller primes, say the first ten thousand primes or first hundred million primes, see lists of small primes.

Table 'prime': 116487 entries, last updated: 4/29/2016 at 18:20 CDT.
Total data length 11233740 bytes (average prime entry length 96 Dynamic)
This table stores the list of primes
Table 'person': 3465 entries, last updated: 4/29/2016 at 15:20 CDT.
Total data length 698652 bytes (average person entry length 201 Dynamic)
This table stores the list of persons, programs and projects
Table 'log': 40074 entries, last updated: 4/29/2016 at 15:19 CDT.
Total data length 7682732 bytes (average log entry length 191 Dynamic)
Logs changes to the database
Table 'code': 5465 entries, last updated: 4/29/2016 at 18:20 CDT.
Total data length 1836752 bytes (average code entry length 336 Dynamic)
This table stores links from the codes to the provers
Table 'archival_tag': 18434 entries, last updated: 4/25/2016 at 12:20 CDT.
Total data length 1252100 bytes (average archival_tag entry length 67 Dynamic)
Tags to indicate type of prime, class rank and weights...
Total length: 22703976.