factordbrpc · fdb
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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 #1100000009080170282 1,659 digits created 2026-08-13

Value

209155210505660256847072623234149722309410190361297127072381419089237706804490655476236440627834108061345936585331922517010695018396893735999782009951173965274364244734479558945646729300431501233893649550592950780554048063980992946947890745252647416621402597035197986596886122538498039342275399966518553604316477171993450899451560284449983350950832747832701758249346831651023494714700697566778927426551299244140492926436439979145534462843874056877557205669307311798237945984632114171567043177768990757258809894374167990767552525662437792426066521624801344981308011996183932826749561427167393594072447745111559857878465472415666452463209095516308404200573037547524269397164327383284554061804724550363220095641407218700558545133672941735655402643460072743577149975984242097806757284238435847513741995691884831708130630207106687784674801687116672545012717795493074810609931633762060164966886122715767772817314107798296682600951457332755985780051802673226885870140301467373624423037423257411046767884363490820468804174104131747163524414460854948809482162210602267707243962305683725187372741327492400421863281785088718935234688404511122973769286110651187030984333157179426356133683645159945746695077928417854002828320416694533767174357986911965787851681727084103434862751837352652484466660093486203161559164706011076160774490372919071234986783220099451303685149897995860793493159945817164778452597194972469350201243947327076005637912986693164697569565789502175522971205451442898091582545755846577149626751755150430450885979889801009623762659124093303903095197014535512134883815799849816121739807240799213949821751268159658556939649050668295377429416287091627788689
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 45 of the certificate chain of a 2,172-digit prime (170 intermediate primes).

Certified number2,172-digit prime
Certificatedownload
Certificate chainshow step 45 of 170

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009080170282 --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":1100000009080170282},"decimal":true,"detail":2}}'