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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 #1100000009104460881 1,787 digits created 2026-08-23

Value

67089214278090736427502534675889660761046974149730200671458629595554508544081998212486461760631503328198905586439582542961340274593602958059058334380160643500702385161482951647111494629927173477213026670717448133043600985821949083112096586674862070505370808610795174909864475872191116165259075053255761873759509128312709834612269991349466737048996759445837869817835502776611383858190524984815636147169661305324526354530413528264117149478620846384803660251641505106268490341934468491374891151331114268959206923058280728116521972762609750476778054696860401172213920169078389952752659325824887263498944779786784606685026865164450978504582024398822665510451008062203327853961458809284519258968132963739405645264216313164659134637227504910973366600739663428952134123483077001162020551837384708893015105869195135797900494211300879319899695443154567923863956023893185839596967212581218877448354633546776634798729813563176249226490298610151779320718456492566204494702500813528983881471967657144030461847294915304097586595384510617937140379863995060950082680160167860572637954375672650366107475492057302152686042550229790727525265485532688138720011101452399865972927531125991685653031354647773792842293402706370454398685033948101559490748970644340628735658038966137656636682662361096567921059738308253809806443262363560498557701366870189182955285857347225539370894021382790889541235182009577879900203443410209345998120647108914783394739977547214095403462014217614917943392474057079919062820867686894037745268060132147720387459779217230780824041165078798629176945962786834075130923873818591696527248592896206061966772647769736696463599447367101807956023855111466456621124667485050685155895994263357292338927901563448203903956974084425163100317919932433211968590488784319162482141954076468166276213
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 91 of the certificate chain of a 2,989-digit prime (210 intermediate primes).

Certified number2,989-digit prime
Certificatedownload
Certificate chainshow step 91 of 210

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009104460881 --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":1100000009104460881},"decimal":true,"detail":2}}'