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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 #1100000009023213552 1,028 digits created 2026-07-30

Value

17895775658029309028542345678340209816466997524672220313268804370062204928828151460657270322436996789468195557954557473853986671940232672849114567897556353248340875377437356066664215336535528835849852438206188137388269412698186003451484753171127637154730648101468824550312254248213729381307086516641721863925792079709435915541935015476599339224184359000127306564389672571402276587711164383558700300560161140949079114504644542855469576572559971438163835040255727388999822489219658156671209088555049634002800310129084371408064219848012164831538444783990279685178373610145209380072727662432117645263676023440435189624644960579126746534978640852574771053862109408316312210687494505230375437952885964430142178579354617291992502688390348750097236281916819762581861747328660906889775164393049903264958900242567995426672444151870122359280059951535918860017321393143076187251217682417146333029084083199422879299026381431324478327990716024099543221056324512798295269163028130354505140252882837056532088054219592117502931009764702074152213
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 13 of the certificate chain of a 1,136-digit prime (95 intermediate primes).

Certified number1,136-digit prime
Certificatedownload
Certificate chainshow step 13 of 95

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009023213552 --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":1100000009023213552},"decimal":true,"detail":2}}'