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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 #1100000009051642857 1,915 digits created 2026-08-07

Value

5860047712008542718632106969497804132744933619411872392570019150398272709979347846372449941727803296794744489773213459348510041346412866138051877721261784992543650606524635503598019802231679952692028757703496561940824784434207229112373110324230073616546121123170963239019286172789511759102190480010700218171854182096115596818630017163934645570637989380555905722779366494783165929784852302877377722553761803831090776046797450789160928367866292666919787223364000726378118003729568231909590386713880182607626729736365986244220380554564589585069442187004388644563156907430959177505857475540316802636586101912167946385009081893852223432859111560158799640646163319687390717882230548107467903604871053690331569656400274532020446366670320882225818577950546616846865770395848374956155186751579543644252163762412497352200429510497944340190223587573129869048240950940331272818435132763570079415732227871786299729201663198437799293405793618924465522272809905810198121216226206466600649865144468497271922157377654715104604815996870277978439559331105641476553516935692167844304819859220862154793327811179549890263372252604226301882840917230188028848360597698948069853664220477962298001749873553616077678235987731620284319048239762740252575200906623132099022099806440595580935574053890261735658575531677657496877346227743489764589139218913615723514094523507101572794583410530842290198726529478708562892548366066607594902296074610491644470669748227041664513065463357644125752803241918690178825369551463774874830295632434304653919314189674170767306664421488689144583846993142041071169891405653743691693390890033560973300574766717724291101739201241486660637166918321706146449807770811122856072918998119003438166935881388528836587099909589494407184080397081843552429996850407436357751698081962420641874553594640178776374968005289912224170439277034245993469498457015335915747976753818304038309760400257785324269401655514075398623555249
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 65 of the certificate chain of a 2,823-digit prime (204 intermediate primes).

Certified number2,823-digit prime
Certificatedownload
Certificate chainshow step 65 of 204

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009051642857 --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":1100000009051642857},"decimal":true,"detail":2}}'