645 · 22648647 - 1

At this site we maintain a list of the 5000 Largest Known Primes which is updated hourly.  This list is the most important PrimePages database: a collection of research, records and results all about prime numbers. This page summarizes our information about one of these primes.

This prime's information:

Description:645 · 22648647 - 1
Verification status (*):Untested
Official Comment (*):[none]
Proof-code(s): (*):A76 : Brockwell, PSieve, Srsieve, NPLB, PRST
Decimal Digits:797326   (log10 is 797325.00448513)
Rank (*):4878 (digit rank is 1)
Entrance Rank (*):4877
Currently on list? (*):yes
Submitted:1/27/2026 06:51:34 UTC
Last modified:1/27/2026 07:37:15 UTC
Database id:141503
Status Flags:Verify, Lint
Score (*):45.9379 (normalized score 1.0753)
Query times: 0.0002 seconds to select prime, 0.0003 seconds to seek comments.
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