The Largest Known Primes

Image of a very large 2

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.

  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': 132668 entries, last updated: 4/18/2024 at 9:37 UTC.
Total data length 12046156 bytes (average prime entry length 90 Dynamic) This table stores the list of primes
Table 'person': 4230 entries, last updated: 4/18/2024 at 8:38 UTC.
Total data length 845180 bytes (average person entry length 199 Dynamic) This table stores the list of persons, programs and projects
Table 'log': 84000 entries, last updated: 4/18/2024 at 7:43 UTC.
Total data length 15821596 bytes (average log entry length 188 Dynamic) Logs changes to the database
Table 'code': 7231 entries, last updated: 4/18/2024 at 9:37 UTC.
Total data length 2447876 bytes (average code entry length 337 Dynamic) This table stores links from the codes to the provers
Table 'archival_tag': 27933 entries, last updated: 4/16/2024 at 10:37 UTC.
Total data length 1727972 bytes (average archival_tag entry length 61 Dynamic) Tags to indicate type of prime, class rank and weights...
Combined size:
32,888,780 bytes
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