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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 #1100000009065267147 1,104 digits created 2026-08-09

Value

165788687761783992508448476822222708595215068533255058052146824749850375452515860846516759174887902732219017417860323207610593002204191381606253532480254816214267411960729716935777085833632451115199194973873067670193439847496754829863321396795354314712458068710537326787479658394378191218315540783373315814873348977295780567988684974667664822280617778101712120609869282216713869334168101975739519694320177085590534014096135794661738303190138482725642811562120937248255502641805260539070781064047129578779156419679776684913812314122633925063008254231375776443075657341022316991990248511266111167926774257323428448189719623127537942029732523801083704085636360040466458366971521782536177518738444428685194200472230336027022287392996068872639381575795895002316219434004441034262128997375305121024930631127967061090267418362744808966341744035786256482180719703765486696969097300940562695235890655895961446530293170591687268740066987850972993506920193763648516260009805681709396452549682837252559420253647073745698076912553584241097485860708438250373480675531105212565404341992822207622769282404209335942542743
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 99 of the certificate chain of a 2,393-digit prime (179 intermediate primes).

Certified number2,393-digit prime
Certificatedownload
Certificate chainshow step 99 of 179

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009065267147 --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":1100000009065267147},"decimal":true,"detail":2}}'