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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 #1100000009123004780 2,662 digits created 2026-08-30

Value

7018647682163587504845991789227535640732038574871778313210648827601719709768504733221447897660908334906348549715237881307177327013918839367858808830114925250255995354730490262073497350509749299876944260776244257258503407100932362650547647519363831782660855993087397611493052905844268047705676638752046961956847550253034548958624596470513575239443798553519826530833506353109899920123433625261680583885484083628368470584458025056484782882136248180239478410805218977762135713981648140284179937218302893828257720015173368940475651733628490355168332120518696910902267196288868706299766943928889856211521552732273628098249251842321944177493131924350352043863027147251069303110169309731088577552993267155951896477130992665308152366018147528865714917285692383468506428308394063251688140581107969678688755711022179222013584056102626258710337067099146347035757619994454806642977580526968163257196433539281051262597661959637065734056082038714361246596167405925535180654575907268629843543333622809942448519033666100255886200171056432366565460004432447666044721852080891937117136829082488458610782120915106178073509643659281098597275531119640088196420541517948249427862268609541221729127680563280450447397517473981008016168570670975627117801291933968927784357320443551760491214175206730483471015954927506721045804305107285714728514819081529495014928487699557979891774109285671218134274459599365583975215175539065311374867193502677508872148751348321510341135348682356050056455534041874516477274342185694465691482081265424035113657278356325542292362823304467839114677743137340690079174461249053691686162009954539050099177258910313919135781413243052390326519372008494406812459024693471239777942902000649811299547738943205320949870495977614055127805151998859412094488379466575357275768344386699107464214509552278199673518201686640856040143361585342803302210134094594976634944720938696026455667236149880163663239479631631114980306259862465394876497171843671283039562754034420450966972451248506416299610249597603048864883187880190184770905184888606019644554963418337028354597667793533964754267373271716053959515011877950626449361706314749949506518450294872292202807493641351252577251740567201356320886001365265589680581100690129897699937638841324261637192586805811584466855791909836934256016707541847960528483373521730934131682520616258279993579465721051284493405402747755335849770377519496675284417073501849605825774041420876603661376289286090696912467769581150304088239690629485110500299041420562320560903826826243325127059967753669355162648634974188636567783609058872956323831651806008462364597439593326185123347944720877249217046577814292194011418859431476719193371153661955791
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 39 of the certificate chain of a 3,053-digit prime (315 intermediate primes).

Certified number3,053-digit prime
Certificatedownload
Certificate chainshow step 39 of 315

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009123004780 --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":1100000009123004780},"decimal":true,"detail":2}}'