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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 #1100000009093803243 1,859 digits created 2026-08-19

Value

62763942917442399068747759069502188807675561063596220601719412444339208599677358595319274627307034732660335010398806353158777259135204327629890857836455633626221357673161117454254075382204252624138900268148443017374703462117024502338077173671686107059811560473434037914156274451063247913889144354576861425890318490392894941967646694076827960791296198469144485230990794764478616692019639389849221008795015098443352886470139149752731386832486177025532572230283206113336526224447582500055361402315987129571446054070033428543223088296070526036120645355220748994156314601073403953339174063597227745846260101644669921155924858998647662173380759836304154231792540886062860716023750544546995000845007183698847897467569280317064014380553550220971140550415780454676785812514812061100773658401775529425049867654752291021704541022029340253051449590613461064721831659947822730598778643858904173322133571489325939715645820947919967632492280136848952568525882597288094266209494311496896399427459316228482003354032192478527326233698853912815232304658051385319753992459626151595743006107520263398949641892775911182013117018279971779063597020651141863138045075310618737153599568094993104183158482668403475437101272120485048478520365234396690553261773832325993819430138303596601594958546509148516446278679730154261655676756948152836677291153730013459744938771992932588903805268418313627702732780771986135144451216605575633674490828482023010342415127130194509512432151790954984101896658676195129933636048782206129737416395421271007640667961138231120718724784891533132951883393191460269554867212243983537197209725777705140604767188400770901845086344697856310591433552807519447024154410688420090094265663582907031673003870133703362158318368904727828247599446038461318189368021071299098398442869066710678753849498465912556424476399238675857423550785727405287495951543334094387736369
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 26 of the certificate chain of a 2,195-digit prime (164 intermediate primes).

Certified number2,195-digit prime
Certificatedownload
Certificate chainshow step 26 of 164

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009093803243 --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":1100000009093803243},"decimal":true,"detail":2}}'