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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 #1100000009059118865 1,666 digits created 2026-08-09

Value

7591935754814375581024731544228542960587754265286034442862148487270182138277558689650448232162807891046692654069832206727349219929788651254278797769092018928543261406518649968057968500598577668324302202578491244787650585758320914181090929899939155816764855429664740432101164154457762658135628660581265290035821444554893190166974665299048145572048977209336308770667533694484640101305669348120700879002667619336357787972919815333432969771776614943937461387032193646627489951601844972281221332276831711908418728674678780959503803382402966305149726982200754297686524589129172417281244748144787751579297810232618913463299179913112055047189284015650639769919964197842927639471935304837446893145483521468104880315439192953279008339976088557855899384137230032805364505634067969470760474576512768274309442604193819421336074845114699839101739427838345820078773272568969809050509807706436598179891537901676713361578470378917601692685685913867387580770221497999647166652666908713558118341803517255595854892380906642288628367246370964662864864806692909268567070340721761626345881314504632659129645501738049971530154056579377720857851311565005955761878298888911287233887353401879825177000850417726849344326109375254978728836313444144958459739604367378238072277318913659032183310610759676394297216241973234761541873558830633441533639687662777405247218067826933981757544675741164380362455029050582199578310042617955513391219614590770263874171329008659468932156718876273689463974291999372147067341905571886206363818241346405305846302100940153342703930750919310123620631391007322324309452246016126009738704169322722844193064286218536004006033974313878342870487569556505972154934297759
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 57 of the certificate chain of a 2,365-digit prime (182 intermediate primes).

Certified number2,365-digit prime
Certificatedownload
Certificate chainshow step 57 of 182

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009059118865 --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":1100000009059118865},"decimal":true,"detail":2}}'