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 #1100000009042948739 631 digits created 2026-08-03

Value

3408793251363246401954699753080657945853785006797052043991587319563674473887107265495533396138684281547808128564939014164229933564354751401675056052026289290440945225292807488716117861326459718319129707450070142310384567579511019401633339100521100254055656006503731770468335640895524242161368256541046319046780531774655081254384079015919948103360225185537935029024482763180012679004758318252514194868133862691290124598355134510505971447195304386075434879428910904355526299929822148341922139695515947265485617847260789005411229258351076124146712808138165492158526068697855381997639195439704628415974960079202923559632709050070476253
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 63 of the certificate chain of a 1,339-digit prime (116 intermediate primes).

Certified number1,339-digit prime
Certificatedownload
Certificate chainshow step 63 of 116

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009042948739 --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":1100000009042948739},"decimal":true,"detail":2}}'