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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 #1100000009080477884 1,687 digits created 2026-08-13

Value

1072303326772319815713389644762945811501049205712407100728999286515652796900042396626491906648355718900008231442419932983973293357768625806857766024323029818785605630651935812640840392855541112954474521526144598529583432645109957862736259541165760731274574821900348793761987137592953434024427626004322088746277191167195255562617907062072390175207509355083398839945687956989099361420519571088521665875936149014326598308716873554062823444512201745279916779382857604292179499794505800002636459896597599231409669722079199999228221941036732090389926033833346814077566587602401594413259185228041824441284459875734248850929400739294348825154049181677933464349298302362483346934727740750982566748261728840876479865482467010645589837857069025735986311574237660186871485002336667199901115193867597287344230857601297355994622809502115358213538027346450834556955606424345749362321643237489896398884440199873704275464127078925212668521554899840819348901206318026032774658623196710280509743534531957013141919015169489431886086787823403539756793146919245201965735817501009982509879191553525065317337576471796116179298476059691517523354076267350870947849285141935431642664155641071720244261872691219007762445268031088098476325137810427072368889107086545306731206062791931760832088133900794987003747628542159565251216341171297791496744881968428939664013430354806977034077653847952223841303639741429687032627967541789945898678437175691726252574247118049523705874150975055439978548172570915149998406895091852127999285056516179357000814968217032457084577053431568405313519193983996259919956240879687165216979910828209176251152984723199824724778524822014517759533871129579645802763791719702313793719039456537
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 20 of the certificate chain of a 1,923-digit prime (151 intermediate primes).

Certified number1,923-digit prime
Certificatedownload
Certificate chainshow step 20 of 151

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009080477884 --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":1100000009080477884},"decimal":true,"detail":2}}'