The List of Largest Known Primes Home Page
(Another of the Prime Pages' resources)
The Largest Known Primes Icon
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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': 120140 entries, last updated: 5/26/2018 at 1:20 CDT.
Total data length 11649548 bytes (average prime entry length 96 Dynamic)
This table stores the list of primes
Table 'person': 3690 entries, last updated: 5/26/2018 at 0:20 CDT.
Total data length 745732 bytes (average person entry length 201 Dynamic)
This table stores the list of persons, programs and projects
Table 'log': 55480 entries, last updated: 5/26/2018 at 0:08 CDT.
Total data length 10513404 bytes (average log entry length 189 Dynamic)
Logs changes to the database
Table 'code': 5910 entries, last updated: 5/26/2018 at 1:20 CDT.
Total data length 1976808 bytes (average code entry length 334 Dynamic)
This table stores links from the codes to the provers
Table 'archival_tag': 19799 entries, last updated: 5/25/2018 at 13:20 CDT.
Total data length 1367308 bytes (average archival_tag entry length 69 Dynamic)
Tags to indicate type of prime, class rank and weights...
Total length: 26252800.