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 #1100000009063857740 1,714 digits created 2026-08-09

Value

9899861279770914959880333827352542642708476496880409109933550908907347083557325453309358994341286183062222699981611482247156500317836596082921685175845875936765302275812287565032168616688652101822093510969237495862114226533820723445536655437054679050390910628361691500845318672508403339824806535325811964788382411094522034515390689254863278611253316796875269396810787136897619816064994338284938542740733654861832824838330995630420933497439544232894150067290140162210854134024375645204099666309084490613240055440936825285890081510522756923596420707562298302419955643162642263394420248181208641643756372621933737928818548214797419956238923696639110178284237258940698261935969069165348839223091980676328499960640700968219156574230925696826916809990160931800566328081614302784311431802669160018483353270273733097518104765634602870775871361622030005606532538617754250282324089301170596182356668100122974100014442785021123437753294059863423853601286711028199994153160255480473013561683733489884775146570697586704017189247981058473151207837772892820616685660387643832752128650100325244067439516913233105215948342728219096758388807360625316532137583654867086611301027959446096574103928340929190367374665329929744147671849690649757864864423183111785556989067326856725582766546620082081487258424177950207009973886895075637194417118556497419433313635193797410280036504591981275927742910006421725516919723105220014719466766761382225233945027344853084351426095744555447845993200952716493881766513503332192727841510371368836621875392689396437550013105241581124299585987308452449340807207095379779408263493623370416890916523061060507359883256466830107340657760509813280165140973317914886489945947452784012469163139348352671905887
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 66 of the certificate chain of a 2,571-digit prime (190 intermediate primes).

Certified number2,571-digit prime
Certificatedownload
Certificate chainshow step 66 of 190

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009063857740 --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":1100000009063857740},"decimal":true,"detail":2}}'