factordbrpc · fdb
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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 #1100000009060722728 1,238 digits created 2026-08-09

Value

61549625286533703047946300017890672214572873242589836703007312499867944586349989929686927064275465728623622983673926847243415993453703478449092875437545794169427011466498410661868741343841809931529487858234302178973575617628772609932553446244755123710998848479384937193455381168145267132471531678830442398822974958628029389578419687964541315459687499229085964878821901945936960465747241101050247170093936902363720908669508031108768401792425288016524841642308906888330201133082341452443172413759383510381196083252059609269625211787956179443179564725331103001713653115694496454404698776507903768463161988564174713332022061151908658625054833132331069355135254445798629186382530804270988571760363186171619948607773816617631541565952222679523484680303931525320417891039477515131260795855800744406994874072475041162636306482196138212338477225001642819028497703230409449605876072921918871280783169024316731681444923003242294479023154371643697049766620298732932260852624930993271432365745758615540770016103721088737949701968034947091030257336250179397511894837461332120008686360900595385159206093350814696396289077615631932594022500469236225486889846075505466681692823412842903945787600177140467993794346890389306138645441663752556541446385371961
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 95 of the certificate chain of a 2,557-digit prime (187 intermediate primes).

Certified number2,557-digit prime
Certificatedownload
Certificate chainshow step 95 of 187

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009060722728 --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":1100000009060722728},"decimal":true,"detail":2}}'