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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 #1100000009080307220 1,120 digits created 2026-08-13

Value

2443113560059883094469193755969837575026477554315271472766631117740817228780366646916341017442930685893577687638894201112785910002078426949300182022200186923765906801919745650223847466312558159611439795960712658413095730121180238810810169044786541208436386199047427739586975566215249187134008573118231564083922835967572539974186483726741602044977637109912314744681463790535127469919188921731917227564616590001560536547602368094212209192849380332370397296696176664851326317076106877160453822856049322545322894903035456978058966540553668549999058644034053947060349479311266404077197830537500914564815708655544457929363811275613657434713752514647226562639765448004051135185022533044565531736630456215709476260077306292825887476156982439746275837086064202488738487073385850505168310393133792270160992900065312316567577765098490528734390843277034791193660780053724246111774292546196341381984420331702930581111762087044504647254342376159624524746196240908410338185023991523357074776228851145148438807778851091264913060290738457732630974981771739917269937988974175429994074542287873117382938186633080755610044063492796799311497
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 81 of the certificate chain of a 2,059-digit prime (165 intermediate primes).

Certified number2,059-digit prime
Certificatedownload
Certificate chainshow step 81 of 165

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009080307220 --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":1100000009080307220},"decimal":true,"detail":2}}'