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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 #1100000009066267549 1,639 digits created 2026-08-10

Value

1502488037794662396705513422836285748571747126142176138955271712787100534678999489207043786226139772376951816925809196940438402765585566712220045356432337399897687469988475453752075740383718268618110596650937681336876851938286800430148843700686663934880403491496010858309613235171595798932282269128127765416315677987374123845643388140800139453425801785400296706654955789513252592243306638145655436576803258755847972272499327419310467474319214745667635581602119680140034114766430967133259666474895070787253449214985425316389578611063559311483232294957134517585283171170162399519391357918296477106804856900878956022470238022334762921199606613843502813126756578574934307794175144747304652559317878948420305694907285423693742909572065054206391401062697307996905343895860659447991653547567526478487335926582167677051018088536773529315794300578554942533768821203252515070784278735828947414568936488044592037054283871131268418659348503889873082214101522816080586371207692091758310633604204273578394194407550995158917995176485488232439442664655377807711487607959659562087820937654069777401538572617351299470314020921890412735053468592861908381862114326186835840740078615470685039380407674232850706796322196502747965269770508584274663495536155222200380601919062187887598527925339299049556349274831273746143371371593664948230787170590772489361698675078863638482173007892833523936933744407093676901392648279281348633031653204436728463833875609735836034248700638500166511264598575753741803637213576369085229172853816134262815693626284948982490822265116826501271373344792773880332792687454970825119111012412040557438486491376163054824862209815141028939
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 9 of the certificate chain of a 1,722-digit prime (141 intermediate primes).

Certified number1,722-digit prime
Certificatedownload
Certificate chainshow step 9 of 141

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009066267549 --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":1100000009066267549},"decimal":true,"detail":2}}'