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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 #1100000008766976450 2,035 digits created 2026-04-21

Value

1415320131352429996648955108706211365533979601065069818729908109216661836059628111137566232150811019918450845399164735941115792050380167136580794637510551926264803208518779464555202535870351273915806579626339270358385258651954222875930201024436658488802795996136589840708913381847502839370989647940276558107769980270015250374936503932334221544773348000812073262436083448695803144010474902106582497249732372539305067589030431549179297206585262209593604519161468971389452101372728275388343066449849711656734601213183270107168388577177717303363701093710374229894566952276927186432814266036097597777036279332454061638365713935162521717939791665540535320981227881217230857517874594466314823085390221344351549430209998072846477381876545650578094320029891153719748939086857334698422992202551902315567293872730504035868531478163978529023433169434625796785362963052038759509080069695012884106554501211803170508087225198181338497241718165023792147066228309741047074229891259871076814015476312527973977835453793204541918631322019915016176123151041257656579952483859120560750580003796842286230906729542779172873990612098591606834647729504760987878852276289605178550154818450452543803228363044106120849383868815635656291589797038992730980082761581399545435324277834191031167177785931400948642512565336132364457846639935975464346763931186211287085558571440616995672771359099461961791462181007263007255616303839921048413317239323394027463885923460415154833823553812290087950777096511226080895045571357445523699931654732130799979343687750156723251508300690676769432255534278473027503922182970728374808386305559808467503474426423510351232070802623410982064015521585843253010488222967139682942415510451482362571321671399318119087816602644400053761052433567293882168110353618566788844080411345824606974167882032035390959272083355023185376248944640277906260133870074688902736679890454392524452079092777823546287940894461757802669794771945700370918589153415135153139037855630392406692610576456487112194505064745865580728189694899200178581450595041350206269
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 76 of the certificate chain of a 3,113-digit prime (190 intermediate primes).

Certified number3,113-digit prime
Certificatedownload
Certificate chainshow step 76 of 190

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008766976450 --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":1100000008766976450},"decimal":true,"detail":2}}'