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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 #1100000008676554122 1,029 digits created 2026-03-10

Value

137247685267069743034104540767184788573032683328048518808098655769381992598024950720897389078005796790646293997541536762682083994865446485745418629610995036195851342840650036923360396877400113336764420263800911897670935272142201279806806752130599827885147545382202366390940700665901220444030192241531519436900638328389246784742897540571144487054420694039673660525787711659921946428443458962694742730484991652806550913628995159271979669930137469426623603629462177503644057107941541787662821036942591015768565230286726651059812986989524704432867361328702331047885005932379786604001447194916739603545304657478503805050772236501716533096961863031910833689222153616236136365562902869554301396949277252612517759380108420071538284615496885330528342726684666806279123340636812953538586386052786223708683638011326694326840917921018327365396535287717544225664470800796857525366217287110062280384195825057224064087508725316419639577326780758162236646080505870640429172682035369147929174603179978188308305184486341680773749046493566818674709
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 49 of the certificate chain of a 1,461-digit prime (163 intermediate primes).

Certified number1,461-digit prime
Certificatedownload
Certificate chainshow step 49 of 163

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008676554122 --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":1100000008676554122},"decimal":true,"detail":2}}'