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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 #1100000009056752596 1,456 digits created 2026-08-08

Value

4191733643459159434743519242940987772202825145732990339196565836214727543658299820777440542288680483651155609324536343201746746120617888643212178534121228168271840126996397403926119819616039075815545264252970414276761717551454480197273661669348979285960959361793445653033303422241279990492183020393283886499783106611641454553776231792450685524561539289565058447197012485871098589237311525551354306570420651421327064089636902940431836843946476716437056222524706563021576936624494857779466543252492365226308471980760118034370838117182154245731532689075333207525576772026101276164915192787597505755121502777547696657177073934579469091744775943666922623318355480443554507663400947489545979170971780322669689453506503434286768465825153027558848213983335159490266014844960663385662309435060914291398028762103620040348742515183832031047602722223050996335233007093589683963394227868284388052457955232010827963482203323202596720871219343183180267316523979748733361307976669146507573157800691901858292788207090667570222210700768450839824562300965837565385090534423486712803900488272359768614624358518988839550054259651836569566209430164558578687738052850976813993619494630313977574889717537865657702897867235554684354696296407311079368770801917953157031079522636908134124557996831247529909010846013217023484762999162138572303856529060443296977972213515120969789418390968647965489675741416832499669506458524300375495513582732441431858865737173415050949373623964512227
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 21 of the certificate chain of a 1,661-digit prime (139 intermediate primes).

Certified number1,661-digit prime
Certificatedownload
Certificate chainshow step 21 of 139

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009056752596 --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":1100000009056752596},"decimal":true,"detail":2}}'