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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 #1100000009123228087 2,733 digits created 2026-08-30

Value

158739139690248077769738051193934816786859217145185666617534748083815201139692621635799852937149743014391643753648006524290680310230787572554509121404249238369278081573087408952537748162958030602388483315464756140463639193863279015332439202538084596357418634329261106076110112457609607431449940993922977586700373162105527993536420358641409714626664895403949308012952867330125854770356188871490166302719169759758842596739986610319663717017992523396637945541275356630933751670109689803696348425614024547775057455996075722579463135240022789014200881092472311428605612862463192916075742942612564174422925467220976837704800794009841598553844536581242762039846802193020903915070357422766328426189849450818932038967219794734540001780446950683189470440563215504871304096193492587916514360649897924687002698978253419653902267501125811617431974239386763146440541000183717873610342943283893849551674652577739709685367650472483753479651954083939088549004529863086633857074718190084902330224628654559124902159971209481704496617612111200499713433209700686720942767170219246388102839800816585638280437219083040702031909671504724469055721773482115603668854072665155593554426807866563154934655038653671471406626250487555949285822244572002118189092878062250804206834293631079500799788855607995139044983061658405198489826149849290531635027261413207844265324686418838414363879718235184259932991636077409663160787336841351696938673781723605985428632655191459385133716485893919066811825867947715527565252773632784066609307571737907603049442584462214340649962157735772429509564011995311940734319189381175312021624054385628395696760404139647639926718427303749166919300498969225323602653634800909835174505346160954616118062255101696251015081355580019570698765959527188992390553471039553434841013457799609876732667074553044832432945526234464397065361275975190599008198672719979302370148898763056109221332712623124710588969223294820466842280989504975381140913546651922276905713731054506745183459613204363504917400717400875479246409096936606998972758641735634530219832421249988659158351124958673337472332711576547988868290283213825807496908836530476148352892919776291031058896024484332250884609338894816753944313505459589431951594127033681624642275368074417014925547810901087445721045609602372066541108485586562693092050285806218341051724901214369912968310041324627457894742916466130808132481135273822077390650061890794383697140000901172920552071197411847158892486451601321729519810256152439664855578183562978892872452396142720960708265360610729151958025502267039531105760629610845128828679566505601947154457941708573450757880581121564794183880999130630620532561336453541673195441258789618342661949389815560096025430279062612788624042633557392190605448349329527
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 36 of the certificate chain of a 3,079-digit prime (311 intermediate primes).

Certified number3,079-digit prime
Certificatedownload
Certificate chainshow step 36 of 311

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009123228087 --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":1100000009123228087},"decimal":true,"detail":2}}'