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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 #1100000009054058256 2,082 digits created 2026-08-07

Value

246833892882176296263969742327520172515641399633223405521079146142606498846760988106280166617937235474352510336106212738558417510545783758254974205164368183595049236262365966125009528185376723177812326827730969917883524990867256353723205577277992123858071545270475196795102872181163858170196614469204512032584864109596592453175907415358794383782225185410839993327310404457522134435660630514089843709771293928224328354891926870380730376779443922138602434013656398183128319853913863151081908464972495566865099422176849305040926612466636380179469400544931204547674367305125093489747600175677089989648393298445062279515010822164391472360217144268211592451979493101115919126365533676477066984487745527509251057962385741313554064441566076227817333637364555819401176701930648820049475592920017194427302002022059120832082982199060112189843299521976032897175740455676639208715240606976941488320904250898905303595380896301459873016350013750432090321623682084662911542846769421436165586449904842902976004813943279664145197699612143830783783258303317520386192604777560208260042892309137330738249304961804683011777183463305926705210612837792889483247232430259247628798295329999195572445366614348924930572040817252406635366841666475360784785849182915753381312658726802635011021468530810347595724113405135991980828044393971505922877162219799161189312379614186480714535067657978168988579629560381597536989340095457633782875666562172227814166877260536152200776636992945133785620096544802403888237032537973766093246306675508918851282092911062481733057085705305094188800425353138501268005057967904822477706526251502955604712718492506666481931478663094625094562779011802609974745246911009781526549275825929762699772181537598917275912409667995828240690838380286852304714735851711839793284682270310110100409093001069533033142970349333367535349268425022977747617209202428846400054445972954232024851005476666091009754659238835465605453280629848317202741352060060128406071805476787080316961306710367078626047514068874294585236810988467942157330972685466477647629024019727083209406142323170613261424333519779
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 26 of the certificate chain of a 2,411-digit prime (182 intermediate primes).

Certified number2,411-digit prime
Certificatedownload
Certificate chainshow step 26 of 182

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009054058256 --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":1100000009054058256},"decimal":true,"detail":2}}'