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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 #1100000009053896168 1,169 digits created 2026-08-07

Value

38811069616833786910748545378928281327014816360714953525416164297783503231950049973541224210824801859209408312114355291878604846252420782821618742833055621344462832860090196053816503038148809155846721372644397841271163745196451565874383932027656592923353804490877977149200767849372320211615220165699644852396567852592523772247851894356001813068564429632712162619712939442764416658585029538296555900015261842412072171221547055506417964338030808434723498391711034768227909570689162500459294573153649820060431391481597417861129132161264964283926960181748522892054799962010663276895251021312906454548637359212406672342364592916332639537420380204260300163858622782052992427615975127988164798925573166003478382222302501913978240704170916898324690757792040561045336728844919145005306549916355725038169201816332023543676724759351380682089846344083941021387719711802596662430382521107929997564068336217574576365415966239916353152594377880707430308363086504907128436898789031985403445745932272552877728291008664540901646252049059255247265206579868208927296071240836949665866914546711407118420568546608214456219578795463580569993468960910075543574110672575563154687108569794797283
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 41 of the certificate chain of a 1,613-digit prime (135 intermediate primes).

Certified number1,613-digit prime
Certificatedownload
Certificate chainshow step 41 of 135

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009053896168 --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":1100000009053896168},"decimal":true,"detail":2}}'