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 #1100000009053961950 1,679 digits created 2026-08-07

Value

21544055326537062006948399682496565239389126103664553856761679813746809855983113132294147961668541019364712316649137187724847381253354861669664679301624724630416239201086410213718597512810967052100773382913763413203318892480956914080827688559945416543697803056251412754024186827306054203118941372614651254480291969454372485777209258636006562103014423980459420858823059109649326511531667873638897217402555473865489925801518606420406712371710558318458727182797523863708525782976428648161859212806833382182684018307344647172097756665789118916957254875120836454602448906871067949765737134414460223709560973172493373381113606782941569449232841789289141445757382721702313440581237115519524316518392466939175145848900766709764907276420473898696540534254033414217182971421645030144555600706836033191991859435752013513125596403961835637902629272305334265350884524185029577076971559942859932444652002665627558942194888239505751665608009982497454344396758337946373700690582730713001677984669184156425624223502671250402335250708055948669550073864892186858731645931817188825590059120405940839739923905320735842668514917914452149464212397800038668410480642730167304163888923028707691420709063229159333622402303838194847614841096416657963386627786058857174370026761735396517499386169480490150165972426142051273095737063602694167317732622591840788727841430254736516727799183735774301591561714759084229387022624178292501770078396724129073089689500248429319150236723042302274085057847219476121726358427885724750781063707406347673103895112035683351985166484731846084864543915980727446737424627205815072126725539148272233182566937754503321351744474557289213923081069981910763644201942154189375205033
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 53 of the certificate chain of a 2,306-digit prime (174 intermediate primes).

Certified number2,306-digit prime
Certificatedownload
Certificate chainshow step 53 of 174

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009053961950 --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":1100000009053961950},"decimal":true,"detail":2}}'