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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 #1100000009051642378 2,497 digits created 2026-08-07

Value

1414181513662237289660323220673722334982512570593221747461221497936994568805044002931433837677081414883666991205527159840818239670254366143764611393802044831506599284741005267143677187512707081346648936851548969786649209107191309693898827488385895251293788145876193090766865180665647620758121292723213003503168956296607757938766360244808329831657718296161790803531737619724270928026049415806964553494407297933558054417882366612167995572785122747122635933041807003881086208960564189812807770668563262720128385092541313597518288935273586345783146491380522128936260935165431801018327913112923144639531697663480148373380292040342014734254777771634763566003726918508571380728935946868784434828569183031870991316038919409211368224032654553665811336248771528410061548586692853611222370470543579513115860083094942425749916379216614176868349759347893375559388246453056442480649623711685855010115772001715277915725593202741990952313957200449140703799676901229365441625110997192852360331782181065621983328303977814503677591009910089782770106206067600861569249750494506660991273121943405803760328361812847649386957418345694561474039373040571110632153640168667480289012196914415203053574470422533666702493293175548508334341671485615536109621995127247439564182435497594111252484221732544337357187450162805577292915348269257391710208811146972713205660978773600640380368065583002676767705751841311403197101126156058160263687881744845102973279052090404051160418656999518089224586073802211284997658818364693005903013020144039928526379746877414457375522709011895687314813541860779060225265725167433191979202309279931275947450383185969241336473487407109272618279374286699949878105417532357783635778438142206817582537759238364794322685388860652128877427248137117800982758911561728118930358905927423677508630776088644111278239330026844769638360749982325346528243928186223188709264276817274562351250623050625764611909432433205668508183602321490467751073559346465711715772455950476569437109007321621288871824531453464219825714078956652387149516763954171163639537423534788130661359110462554673016579936196590588438991506144601419316927478913241772966316149692567343879767392622896854750333498171391477171822441234914628361112904228341252483711600757951853467729140876940423455318160629479119432244941157535113830645428960407716657071524545847620786749828751900193834631330824923329990125841964348024412854870898615871424604206575071802544790743644847899717500872157647232282088273918100847638081732833386890689816938578787
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 21 of the certificate chain of a 2,823-digit prime (204 intermediate primes).

Certified number2,823-digit prime
Certificatedownload
Certificate chainshow step 21 of 204

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009051642378 --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":1100000009051642378},"decimal":true,"detail":2}}'