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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 #1100000009052308186 967 digits created 2026-08-07

Value

1310824820799505122792398936973252605932233587278869346656634104294148305768766908639177401963921148679166924481263513042570811601132869677177956632516538513993211342532241688558184217222531028498425778148960105442074504034671955021036171548264555685133259947555040502694800105758559156988238224167603675610670767287004327615228711714555986334752564405410878810938413040020716122257346605561497981158565249463170594128535523442919558991692736417633668661017062987623060979012013060220535028687342131590695068189674050277832838168459792394602977143597740942076887267872135231922839689203248507437090020721332569557342107841630567947637506681339322353129088013385024567657044755201211991754979804605119161321556356583965489593259975332525292966148793407328267605674428770200679605224617765740659265826188165455013524597411092426079199654085326417072997857419096341987444170267150861871859401709028079115557081943784213340580213301345278037642881236126575150654948633157
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 53 of the certificate chain of a 1,584-digit prime (129 intermediate primes).

Certified number1,584-digit prime
Certificatedownload
Certificate chainshow step 53 of 129

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009052308186 --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":1100000009052308186},"decimal":true,"detail":2}}'