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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 #1100000009059118817 1,694 digits created 2026-08-09

Value

18609189481177128436074374345525469007269486090596656836632509606778381152452971500039420121422017432032767290656569984466093638526522700615109144745784051968848646186845316724754393064318700988803907243687677627713711315496473988512320013641586061336031792904794179637421301074186603097940744515680078918160712742143194115575767452575213221737869724060667404893628732234130656276393453228390722537284590952573294123395452961201799610229806306668308768692764929457297252625651016084385164870220904657847342587252188532285934649620164538378570627873320235408657576542237822802806107837635502474510487345367047329051873085540036695508463074259184203736001380064568039136265600808400782862821158616572024237713884970460726101422890675474310107319552754150927477832081336043121435263465983445851590696856651877857107080287492030783445827877670725564905233221535656944655533770232676004571403452288712579711217152404856764633083697821669910444643681786581710375741346190037650257889534207424556223429026689563676792825051372062830480368754029642141451939719709564414473102179901191920204372599818984849558596013703707136458060639947806961919164184126233630707545051626301517292455265318356214442157214728290995350640059438012087593533711237642628783230323166166943929021126231712837079293770194872355725753439552048305075017209169591087378011675988519927771356470405037312323854194663105601098488443606720014778107316936111503639164650169093067885552324801595291132084927487912243960721471472980745790762137127805469670009046253733667543476454275045508705370787319433996109026031587840993304797745324739739623734199205733713627785974479229614065062661130225101468008660641805673128738955389701887371
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 54 of the certificate chain of a 2,365-digit prime (182 intermediate primes).

Certified number2,365-digit prime
Certificatedownload
Certificate chainshow step 54 of 182

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009059118817 --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":1100000009059118817},"decimal":true,"detail":2}}'