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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 #1100000009079033710 2,068 digits created 2026-08-12

Value

2542177935520739789865584293234451078945596523095163914151721283890315367825428750469802185281029191833087137484051724208938496118983259666033400271993197639488752905207543027028024377680262485050515459656105815975352833720723446590589969081398233762626478503884659504070067724582638930070847774791428058825558312490280476807525665670499026164657091099419474646017195719926809918945439424598793801250662827683298562194638569800162383536742148518051043661441417716897743138543908103059065369698986254105678773709239621576013273874067029103257463610311590712459854349099814979735071166846932344146475409760909524278222104060450473352685469114866536734127843463419542566537762822762863268471005303325335974110317400984598423942184681624130030989712889074462265760637270014241677839857768555866949600021540882547594778558464316956165913242010615512082741478906205443713302423579006630470563645439009679390078678733084103576043760012301475094194115259953367432216204939701522686624805759731516267947520939265437483492766476876300697809567494919903631482496823995183441712292801323545511871710331699633461289443466414377088812621113724042948849348481861986405868423012900258331545870715632636534521629296924180985882898002231627278131727498989270626541817606921158748329664344868808901184014260647952839361508217621771392187976720615808860786081435443647920930794317768946832832258246917219573091213865686753327680216661984943321695595777242259968938397675943342216609757251956648938136647477177835850984372026305260858751349417290836459042281477131870282068593568820852632868867625194757018274075743865443259427980728315732054803814981257203290719679958080860104729316923878348058817239171565646520114166765434251867829013962141677740654151313616233686784024624146493884661698578750521474277093216722892579178072037549763795272534849033439734787793335645619430560035662460047613301957368792279588515284038841818981505596501454705028715410730515631968068845530601903550222804048081625049628133112141811916439346290640365048668782773005998116665255883368174499327385895412181
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 50 of the certificate chain of a 2,673-digit prime (208 intermediate primes).

Certified number2,673-digit prime
Certificatedownload
Certificate chainshow step 50 of 208

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009079033710 --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":1100000009079033710},"decimal":true,"detail":2}}'