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 #1100000009036789688 815 digits created 2026-08-02

Value

42791855809511526431721828216360049609074917233716257033053368578084793233806674747296951445002732196442195227394681276625390697315595725711152080581178666181810297951378704626978170089853995266694359706701464743765442219882433762963701729929453194628134606772994706734573124824786643808874139890161261941432554616796940067452664001030259748134593293320756861364030352064657650738506663960027651919313629560644184514820928457161468869264213780932638938430463423826092281714652280946261788810093699996094092828372540373020374346134558424794462761879960454022899371148595045088622021869884961337937596438322798733786898033403618191760024548307303085299094845708236555571806175456780701432265223387306154270903613066663459868378254959173327793654112680887823080822673036746279898308277283429640588469855164322843678771
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 36 of the certificate chain of a 1,238-digit prime (97 intermediate primes).

Certified number1,238-digit prime
Certificatedownload
Certificate chainshow step 36 of 97

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009036789688 --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":1100000009036789688},"decimal":true,"detail":2}}'