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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 #1100000009130350184 2,516 digits created 2026-09-02

Value

72470780806100447449943162599218283230083188772966255143175758292206383104488214180690431384807833726580028616332277721554382101773446137200607005261706020407088922820142958224511002996908234673119692137515831362877599177524388429737962353228260668504416709866266807848777834208043226229272913043095755396121504620654508642235855930231796361249710936403512287449513099328235835834258590049378348198023032073816133486494609103629802804699742831027092793801567510459919513658586411094909315469002723073196808301686352276160056828862550479301327265649740750146757946117014397807344228543259575601755866612869761034586152638342639801641857677447701098789094136338480518529986011220655488894083478436431023499315649565381760297857148255622641866810148228224261325239030781330614860557026003862372964708149883389278999059786722945465019720371419492640533631611208958120214999519864326362135419660249059159496602679961155431579500873411035160705572840001933861505442468760317074704409509414041461939449104242521263311816321661580452057000827874460284625949683906957272744555245399697093236526787284883625842419175686391578756687527581528276970233266569265123389081367873805781746485696399012064299927116692372578105704957977399585385440014847760991397446838125224817599489201016200092152847225188182630647514104669894550874162857150877289247892154359479561047236041653614819587967020851497449274530350018028353899780766718025968814596727313794328001041700543654157277598109101106923720149569403365440697819598865191597841927681900046013893516100349239968154497854837875299779412112306365483128988994762803808870407208706186527354981468435050771409184397444134372131357575569424512130507752511567958904237583652786911687725058662155423725607574530963330509206934630046503083453067388888342850959544707418719775588387851422896512005441067774387915840101332312342760929529974390829655287616950886880388271557505018140267242110819418239462532500462291001353729863192314777601874140580314011589204778264667870539750037553352254843325003242928275247360980633321890750694369484741510878851037548499290192106691144505271187579779773766776224862436639261791309595560299743800866270585309849260398684647383620876881710054147687031694683786704178633253920721815190130120370378173205422349899988663213353594947683283079619811055072649503424953511662110950904483145851363817476927027809407586329633060455727529196735970715198513968493670066705503252462476863564735806166943382098681268039954022221330924546194977036003871867443979636699
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 40 of the certificate chain of a 3,173-digit prime (194 intermediate primes).

Certified number3,173-digit prime
Certificatedownload
Certificate chainshow step 40 of 194

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009130350184 --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":1100000009130350184},"decimal":true,"detail":2}}'