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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 #1100000009091289819 2,009 digits created 2026-08-18

Value

14807017653073925117927526159271543844538620073372484615353205767684413250793495757614868356434554744917831599821137522855192144381982674105174015102671951714515690329735086637990804038513733916111921952013525989795637354189916539123598815849202437710937061523793516591797906341915977368260134226139738750029925616403214582293589102869806183179462341859624794828164340070576950224580426849492999166023937396068074177127785412007628305704068759703373009401685138089166479740387704595014312714363250282822927354963671611560069060099610242738678689570632182246787728620291540297972441030931536549019830195122868669323273042374700489993075777042495181359896696589600052000330734287375018086692554407057651464830889127568895774184720958041899696395409426322970665271870114153639600521253820910631548081174635131575475335007123295569835392479502791553760578126478412343557946935056038249784377905484716253058996791346776627012070111655997566059807108606048325964695983998287592202048035118280240249078664485588575629530657961353339494332095241720176015023470930151485045786822956133248084240835163595555322065614349592001440470042379703788199784309793082911576041808457005064299927788871283770875902592048913018436052446331102261266958020592840780116199617372972636841003086181866920264787808376915668775307359728339815278418421976768478508275614335550603135091827262684276336121001615080854446394074588098781978840250491030899959352185508078004856682881675180252557228586681750961618377180872432540783386914185880933136326175752739014044592069279849374423921830682205506847197616730483380515389848327362831767809872131795244468193983759541500343750890982139252125351733327467433119495483899574453081628911421198500293804949035260017527219880840992754497418030026599049567215921914269533212348986414032392832034700781867998671200849677788411188097530251785997646418808733537196851990262070676967566743829772311340398231521734708807990706830216487128637643534351914072539344657093962461222896431061589512881263877759
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 7 of the certificate chain of a 2,095-digit prime (129 intermediate primes).

Certified number2,095-digit prime
Certificatedownload
Certificate chainshow step 7 of 129

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009091289819 --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":1100000009091289819},"decimal":true,"detail":2}}'