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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 #1100000009073140417 1,691 digits created 2026-08-11

Value

66610768233261673400752221824177481420875558606617574925558936316167289415620834856846119822361398767153153416608326878129003850315003594020032035040460819722603201117543398148725255080850792769581863849843443360651923042729606676024246228460009050557050183221094161324213335041114716316191354326222770832243857471142041760531885156313402918081486206155412688558193285596956318043335703135530551999596320412409289479851393385246811248694895281403212060603963245875936807839082186501867931783402153912446761494643006927277956251357040306635289855327795838064015263646935282207602234996038184537198091451025227609337696192265998958089551080944551848998387641635666331593715420234361156659074640432550045248644949232500695881276173390530897561058062291180525671556997586912712094848144665648397482295294977594668390581289841883064905135011443683157335903748010505250052515554569334168539051266147958070468605995860993169429106903580438089420662353362366738163016195483932425648872320729369231733217314155902469485420665373223974844715742947343577392972774547416377453150797560642336936859706051104331090635075806144650289794354586792716661094395415137195573534692078839769755070732963164739728641433650648911262534735307047536618926156721644043984776675194386729738445167309748647266978619699659737242428565929574039896561333079165021707787060585026422623763725332959281518553296128397186782970591898997589548751780564238441733213636234653777972640625733368833284683348178030779161283000982081219046199044505347643557606995936162041330177057421038557514692145273543437960037855297318217375818512599297331796120844427322695003450407856685561598840692924980551803922477976437736910400354527924987
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 41 of the certificate chain of a 2,119-digit prime (164 intermediate primes).

Certified number2,119-digit prime
Certificatedownload
Certificate chainshow step 41 of 164

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009073140417 --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":1100000009073140417},"decimal":true,"detail":2}}'