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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 #1100000009059040344 1,223 digits created 2026-08-09

Value

10216355227351365469570381480130655205563089404828610237002863164272295652443246314849643386878536442655266501417277027777463429253555357778923592253488793943074621595356137797128052479739236567572632109072261407787839755272325697961790800355974286784914303654806519656894818898913402917534855379130494306972883463537076935809819713626781748675790837106306525704653796720965432119243184464785789940747153373178922324149962188459570988532633523641547579332278571708379882132591967707439660546169332419617004589557572137425636373974173755758890087086429894365611305525168274237694418908798160652326489806734340815581764528852136099610862595406444407974066303997126987877500520136855178528361522867300179129121711714985037594168350861119870335047714640986895353476978259244169066272213215412651944708684681600863230060984127993712607744061513662010097757733529879720700993747428343398533550258295433582775204512849429940186167179144775036845630040839635800994901528951753853628862390060401847201793347697290221520645205622358309101740369224538849559256380371764943411879947945486145073844300312833645392587279429505176817294194617531449447027987557710942874112755186865738461954666508740700954957535646196886691022246201140863
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 82 of the certificate chain of a 2,260-digit prime (173 intermediate primes).

Certified number2,260-digit prime
Certificatedownload
Certificate chainshow step 82 of 173

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009059040344 --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":1100000009059040344},"decimal":true,"detail":2}}'