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 #1100000009091095223 1,287 digits created 2026-08-17

Value

829746692533485188161916735444864491821742424467191677019198402736761816189655804975821780544521377351256999286566530585642693561933094726022366617789086767081889322467581826905452591159803776761761837786494431908605407029782577847838060920464823381279335686466864387681494126247218297792977708967300719018344851734314906284025828339751203671960472902534962444784269324943489127496841705199571261987881704827687884305071655782664726093398538699316726168602919054891731390360414809745610155794986759099969331129081553816729290022611195287682183625167985656029061669263386996130364327668259524602779201004009138764680918330964213218288175306128195842713432232292714331332361109487950807838683732089125101478877216253191067070240583305557023804554265453028768047791534239508617651987391868808478314718319255558714429745992584935822101472205370334146101097227651063192401837023160953839997227907985894962757692442739280060019742205539091855524665959764558684925119279381975500018061922531027973688505774398667477040272008167399485433507518307009109459202797832828009645808019459900381754714435692040507903075828340227007518180169302593442783023387590714670225910352165314358916291090075843908718103602194108485454654896348388300718105023541609572395025057676732380335034124654265705720189101
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 65 of the certificate chain of a 2,085-digit prime (160 intermediate primes).

Certified number2,085-digit prime
Certificatedownload
Certificate chainshow step 65 of 160

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009091095223 --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":1100000009091095223},"decimal":true,"detail":2}}'