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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 #1100000009066782179 2,099 digits created 2026-08-10

Value

99092813807056626232885646333886275907650385234791239240635709650868839596170899985347253393689621892758215207535342399004472970013778256659718262177712566150191329111800993828930297493851305382225932298279293191581897703637642110594661128953207527356346059201892929891920749836934901176474780485391720353705868836801048568833898721006372641255744459500428143370362362645417915039030788982545271352057215766601157582273305641382447598456950866381709216037624294229039098619549959217415864235068265734869433516020126706073805387563229321331670971310383694389273418281570966213597261429191995082860680661578016883917883770419899977825629962773935843336741606134482588543089092684341894248357970711217990679291718757901152310709265325906898500232509386612899937864675156093484887841471509998802827186956535166779870015102844698474623392705410191807107492608750642633819300531677036301016297239246182899552679313832004526884041078999321172791522463258653307670575242807139400982318035791817614363960357774617537121438833762098296571557970557764355281362572099810399723466837451952298519429332291647203210959925304064222775518825099414713221622744880992830211468613082452856315936165567976075071966159724355777538462734549158922413293927235206009756968090134514361589993795579674632338830637371471855455966787144419436679909623376748716004313384842429436721179860493604161963055529354556743411005783962642671615800815484650420579010987607508047030185110604642441501138030986219766900329321656102807279659613858549731408292453024540556167211448610871200441253130824482067000223681028004106483157319640591305528968551079583326113286986530414464490257770595149546572190002334592545039850625903003917777453851806727571245853244427794932900062355297227903584050727984119323261015678114048030023631041085863717585532666052541695932163708494429228241971529574853404212938100079754820307032956885724141411513205635066626931343106642446890427540757391839201470693411349736610873546364568945263901101403874127809080784503307544123118319833445974605381578563102862168219839600119658099226551473657536257328970511567
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 47 of the certificate chain of a 2,637-digit prime (200 intermediate primes).

Certified number2,637-digit prime
Certificatedownload
Certificate chainshow step 47 of 200

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009066782179 --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":1100000009066782179},"decimal":true,"detail":2}}'