factordbrpc · fdb
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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 #1100000009075278987 2,349 digits created 2026-08-11

Value

622697774724202752699826664125486252196992762170627488796421869943478324291771450853341908573688800809826275166701187040640353106420251963701476207079070450944756846063215273560295452006708100078761419415463641552225472327106225944854188796571618582097386153949212144375813889960623172152623004657958853134257770327523291686830888652567138260339338686424569759040601583573835599160267493356794767508071619684920837207391262684215360235740670232582360283148547179518717219843762930972421425353780948495297309522117090263646312182585203210532885854242440091953567112603928896640141317811657124723498045704601997760775745742430206894021927683060848703995412803682926624394223945495541700112559444553411383491410569725880257878089785924375177131363179896740582764612756624399767820846191979689206751655935654459339494627739089923771854635752733154313272247415178142107809824331792973441422465413479390215449718124254398256243281467324215804128509438706974186392409035883102659391492402196220682105307288617535924285986102111778923942903046884580131714571939292010556710284835409588975054549039422313021052704026151747652471862969476666643968761494595933321325149921592005140711083017803734929966826478398638116014387878319017992808228387677450132512675996363281489216086534537909019707255517054996189259637408222504152453562486702392652092460364623370185372845926903412083738738668633877852720219355538866529451125064339453219201915793517297168026880352179357015603312846197761327616155884554709031584263779391956498675862885505357306505643998843491220631703192477692292451869369159595878323921828684383769861948960753337386842094732223663448083870395237318314447921671007977660225627714242946944582865875538081126638003912587947708079592014228575170372161926575712645168256484688220798811189760635908051436875371916408077221969300868958061453909363079296776603962430380917108369162116979737452787901704065344573267543695908198268501304386655740952371635559467898455326454060696148334206004518164225231870972266171851113834517464678435767011641700155202776581120950525567808480694853933480425957717987638649927111523738857021865158753257291688004783269108942146929435348088840481822364089186288987155110072778521477409751975754836705698186340855405433875841321042773162779142861091894075490715258853044684720929053762061975935250612894665301957518778121
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 26 of the certificate chain of a 2,656-digit prime (204 intermediate primes).

Certified number2,656-digit prime
Certificatedownload
Certificate chainshow step 26 of 204

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009075278987 --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":1100000009075278987},"decimal":true,"detail":2}}'