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 #1100000009056499655 1,149 digits created 2026-08-08

Value

665680706889540876666604315794298863139767869519330218025495632835770647964067255132255154023150590405634882127193225321793449499054403441172061933874537391139392240973768365271474716661965977804632045548788113629065733927758830178885135004419006906422533159662886531453865931026572275678800320289432212935304077822461393648803111612835396025577820207707595475619663377173513639755318827416463910436325883535300252497233719772316262623254311576711780985711149558757708301444988123365078617678150682843390268797748905449278297384381195379805867992789178065393122793931117596094967899187208018519190675747913413599394645842538103598661052664968765970329112321120514931982678729756564445949036537019730731098260717421808954628259705859058168582677839347425395124630764957029993381547118371011791511773135409169961780299767110708384861202388403837806408300477114174443615650078269843823633980092445422242769995851354244256760447579592116710501335093251449540625292811409917590341301745860336633965535722395578245139141573857832987741085558454375798702612502223238837132324771271415682718825661711565406295792837036001914876410123012298893390373810284499
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 89 of the certificate chain of a 2,238-digit prime (177 intermediate primes).

Certified number2,238-digit prime
Certificatedownload
Certificate chainshow step 89 of 177

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009056499655 --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":1100000009056499655},"decimal":true,"detail":2}}'