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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 #1100000009023173933 1,098 digits created 2026-07-30

Value

555642483339310768783297506936906853020666682006636759393754202736745920530528269725949892238362291660383431254910585401179031966484731039612974445595394899262975956846594032368048400704308438864993555690606968433637771551135765628681580224848281433843865963360548216570804736781160924099359261537024860839311387873429107633991013597141902649730848343417368166816314918222004860482390020049303462067184217038518644012933935602645929650093536866754411730317158359828317369971201047020860804768689216279383111315321176165778322074503537630728956491166601531606440402598031691327046906892332895246374489704965430540936130725490984892579411599387618521221253748798989271548237587201972457593244147398080981729326159998978317328759586363622589829674179392417364755978406955379598615360311479319209368622080007978014275291257246080336098145823766129810748339670383059387084586064138507782397541305036836630623082514670946878622639707115963947557309945356434910230777784715711597532181873885559192329459091373472111157758040815843293103483304448932693911406890006184411324066999979750622355433374281133749
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 4 of the certificate chain of a 1,135-digit prime (95 intermediate primes).

Certified number1,135-digit prime
Certificatedownload
Certificate chainshow step 4 of 95

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009023173933 --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":1100000009023173933},"decimal":true,"detail":2}}'