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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 #1100000009105165486 2,346 digits created 2026-08-24

Value

104461716871525204919864522498564668357741147681711252895461944319848342215551495470651499908658881674534812948465893317712440074681951003123344871093352230048462395766543746073222112852216029972110109114801269365733334131023486601241697781178795909823689916995910327726047133641979172390766021506559614311002768291707323046788718416245245928246048365158820845442948710900176041483734826578772678815887395418321697230664314655631597193097578224970521378754826499416963720820030500626642828565368831775931889684277920771579470611259335310271261304554094601645902407109280599618894365067229383165606588135833958592488433076256334920206256715737219652652272844638275194305622701743708467091251003941288747196400151562862788096196104000923470240150047146549929967203129385160280529465232520336955944949721280817512005742205891075756892469204382363273612665853835506898950192482235702150585599619253505880456854067298533526024334632400287773808965457709165957559117523956258921333600172404628953050417692086466872389347174590087044538380998626208245119751213560798180354494391955794813164251650278530513880595874654136517865411272404426509982921234454151030286472225403128489993258703835406836899449165447640371344336129920820571748298415087481453031170491541150702238503770161818856998483112840475768324474435333361734607841030591148495249628344693227614046048759983018971817488139810413415544586915053363745673163877211912576341596678679151056279640674652611194914463202914592303323875752271508236382952045114251374178065477888717450329672756418944399290693807677089891112087443531395942830779482092508525468486597851206188451773720940962601254090244206408760093887854962542769663633073579044221416064411266808516735174309211969288971394599254106739718164757669879716008378079632575722911703888091787554677767281096424894283345919622075006226242071568788912489540044768050300585872196842184213688798819509054088514642214020332443755152541178338512369844835192530476286498591170884413771947884061173529932027937638485752797197288937827765022309384734603154800244278825611534145703406559020053851457300254043787267217176454548961078806560900841987541613777856472500262551107759178217267573741595275044628118326631484021155140210612037348465780964046839445802105937854084130441153569270704072888812812383507530423255381272737466542375641452035808107803
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 48 of the certificate chain of a 2,991-digit prime (198 intermediate primes).

Certified number2,991-digit prime
Certificatedownload
Certificate chainshow step 48 of 198

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009105165486 --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":1100000009105165486},"decimal":true,"detail":2}}'