factordbrpc · fdb
Sign in
>
?

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 #1100000009055124520 768 digits created 2026-08-08

Value

685034347071470493685254413736312810195706991195607394392348995202706476988873164688443306672990833492367250478059986939837307649242901935008188239010530958986586296792986360362670646101159824684628905860199621914956189275247929602531178897593986867728516265400128565102623001113553783537014477970805466559630875958715406880305313331474626880561148703636302884013287045647043190516769496675808746474993947647382069697237934321181088236875942384162132003087230551865073764655081202574516386089242290812889728869883559641469942797693758042886092295708749506063594557140741568243076051478008397509362702400424175606119677169298087120919352565291215371428011535337478403236707863645685523200223802549684730772743865652290442898419521518012160118026296174071587295985993073
Permalink
Is factor of

Primality

Certificate chain stepproven prime

Proven as step 132 of the certificate chain of a 2,419-digit prime (185 intermediate primes).

Certified number2,419-digit prime
Certificatedownload
Certificate chainshow step 132 of 185

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009055124520 --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":1100000009055124520},"decimal":true,"detail":2}}'