401778236131072 + 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:401778236131072 + 1
Verification status (*):Untested
Official Comment (*):[none]
Proof-code(s): (*):L6261 : Saito2, GFNSvCUDA, GeneFer, AthGFNSieve, PrimeGrid, LLR
Decimal Digits:1127742   (log10 is 1127741.7064262)
Rank (*):1289 (digit rank is 1)
Entrance Rank (*):1284
Currently on list? (*):yes
Submitted:2/2/2026 16:23:10 UTC
Last modified:2/2/2026 16:37:17 UTC
Database id:141548
Status Flags:Verify, Lint
Score (*):47.0018 (normalized score 3.038)
Query times: 0.0004 seconds to select prime, 0.0006 seconds to seek comments.
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