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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 #1100000009048709934 1,065 digits created 2026-08-05

Value

123933717331700658356805712115833130601361367974641197334674720857256711724012598948978775658907410516503446643219873781667788165210720588775320697975158029327796085994806207760495204805789935419846670358382261317798007772711990556156983732548653799824597216781027426641549737528672972713780488407833638525210665640472056216456433076450391261532143600962629923485229052932218952864308232970663550719844890558626219899141026414977664399789345831971517647182448135955579344057759485056999588707539249311404298552717956172273782697756717958860226562332016424825394341142008387804063632588964274662672573998915089958250149840928270937110221158633675036808370947517783684274503448948338257813647211676833149366173191950480524523622506687805318217486868675412222056755945879680020184680431344169784662821855313621232330477255500435429516163740965353450442862484208368277895085703348331976292161722904787573381946616294820469254866830774590649914653859289324198544531155280758567106960715797958671722701962094000687100372450796337144901617661942235401526148980439021684341
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 40 of the certificate chain of a 1,502-digit prime (122 intermediate primes).

Certified number1,502-digit prime
Certificatedownload
Certificate chainshow step 40 of 122

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009048709934 --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":1100000009048709934},"decimal":true,"detail":2}}'