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 #1100000009057213878 2,427 digits created 2026-08-08

Value

580370923157034942562712506119894962650320729741385088291106121367123775851607998846836403752651832471826529643390629788897899898844901914177972262218060563289244749738076886380937791433486749159863724016266209218905490010450509112512114137036557053624547383350007929359195255607105149370629051671718998092771035568626025193377552461221373043522219663592224196038927929374640731014028854094318051840641979049534187970270093882968053681841043518232249735321266309225690100332426139064767905001533690123853453640414724873899120948102302273921843442987751165387292825010986257614617743783202642957638709093315720551136523469068076370430462056572302911169929443933139790561652067518204229289478288391250058532333346728000679335273859159665257273275338877895837562106244995994796815033969045245495702262059726623485920007103093687810541191385777519594416709751344064607766944432805476289677546251601392973890825534337202611690251751167503709062449170501824311990659214970223749051754297240570803005577685582651474549842055373474752257853182453994589855032592469817977369782380967254672955627670771660502121783024216773424214741997008535970160622964965805993396466806874714524608123732957279686966200834519207807642125478749465135183462230195761747723498133404685509535820139425261987788470984640486613401492699815227793435076613615336062203763131028290617898054798338929644376861734840364950819617720436247315436876495971668533678988583092956957783579619409170674502268204212405509509983862656700444072898578329981278052721281179397959996898182706797941746830766468939603666441675815023411135906445855612785750689477522855407209937552149175593288448609635718141597992400866017030551020724336027327683977117777627370826451106463531060301234258604907034587864280729218738114929059480512782003277393834733177292557055381224259200402836038514843333789629062220033829163607321378115098495686068463843801527707642466246702122452168170785607739287648815173926538477549035631813391212443190921897066091378509422324679593752347823279282209712661465165789409510128683631677729100962208295132060974385954974665352148702101922269052164338323587672267411663553255780177524451517438865591765722943660124157267221187459364165082164624622927048803778697439163371737823463161491460828539956877884340462863830067778684980224264998650750014638221577595714132954731655953494610769489037870067813382718958146723843650174905951519833450547518538676965819
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 16 of the certificate chain of a 2,597-digit prime (206 intermediate primes).

Certified number2,597-digit prime
Certificatedownload
Certificate chainshow step 16 of 206

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009057213878 --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":1100000009057213878},"decimal":true,"detail":2}}'