factordbrpc · fdb
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Enter a value, an expression, or a term with a variable like 10^n+1 to list a range. Switch to Database id to look a number up by its stored id. Reading never stores anything; use Create to add a number to the database. See the expression syntax & functions reference.

P · Proven prime
id #1100000009055288001 925 digits created 2026-08-08

Value

2150352064664512522416940569916598610492699043476793298203057910097341905076349132769208837108718717243270911406056736285263551117582863822232389988053508947431356533832376382470195889126608054601193388637313209209285600899264387486224200128308540892500388983508900022863434034972831404514406038444176823184757381168373161316282287640257679725284443160038566490728964641564400678908025553938642844303839715345994775387605968888180154503991212183745114683042200008640152914400166531236236606823694130825352785426942542200277951388558902415562019442689545058711038140068039773428625909004112484983132010345910265034744564750813374300243130837302502696938932274671424386631070181186178635385161117691325180821263574356302843144961009459042048682532871765220016624978214205954738428009521961239397183370163589027731936073510203008171656389620067868344127419585489166685285152072628302338810423468960350962632588882696026477446367
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 57 of the certificate chain of a 1,639-digit prime (130 intermediate primes).

Certified number1,639-digit prime
Certificatedownload
Certificate chainshow step 57 of 130

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009055288001 --detail 2 --decimal
curl
curl -s 'https://factordb.com:4059/rpc' -H 'Content-Type: application/json' -d '{"jsonrpc":"2.0","id":1,"method":"get_number","params":{"target":{"id":1100000009055288001},"decimal":true,"detail":2}}'