2232007 · 21490605 - 1
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At this site we maintain a list of the 5000 Largest Known Primes which is updated hourly. This list is the most important databases at The Prime Pages: 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:

field (help)value
Description:2232007 · 21490605 - 1
Verification status (*):Proven
Official Comment:
Proof-code(s): (*):L4 : Sun, NewPGen, LLR
Decimal Digits:448724   (log10 is 448723.165382261)
Rank (*):2565 (digit rank is 1)
Entrance Rank (*):8
Currently on list? (*):yes
Submitted:7/12/2003 13:06:19 CDT
Last modified:7/12/2003 13:06:19 CDT
Database id:65500
Status Flags:none
Score (*):44.1727 (normalized score 1.5152)

Verification data:

The Top 5000 Primes is a list for proven primes only. In order to maintain the integrity of this list, we seek to verify the primality of all submissions.  We are currently unable to check all proofs (ECPP, KP, ...), but we will at least trial divide and PRP check every entry before it is included in the list.
fieldvalue
prime_id65500
person_id9
machineLinux P4 2.8GHz
whatprime
notesPFGW Version 20030702.x86_Dev (Beta 'caveat utilitor') [FFT v22.13 w/P4]
Running N+1 test using discriminant 3, base 1+sqrt(3)
Primality testing 2232007*2^1490605-1 [N+1, Brillhart-Lehmer-Selfridge]
Calling Brillhart-Lehmer-Selfridge with factored part 100.00%
2232007*2^1490605-1 is prime! (146864.1216s+0.0014s)
modified2003-07-14 14:21:34
created2003-07-12 21:33:44
id70337

Query times: 0.0004 seconds to select prime, 0.0006 seconds to seek comments.