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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 #1100000009074148948 1,109 digits created 2026-08-11

Value

16151163711110579265516589693743144604000762749865886930048063892130724227025039854677973046965160467174443869307636273984213980001180377521265718891833359898819755986866800410156405652801756243474665235481346372892798694284833037892171442539141838695255578519160822680557782353062988418822673548986009297157011494351056056406057994395669399926439756105313740785576069952869591197253746305770723694860087075073062981873458856083219123342522579530996703639508138661460257799853315774936841158925580151187485616486341373994013119774420243171188705577100942228416509288756314561157163941263625106214957727154173435207199925797031918913765759133061013412629571619750148802306564633487217796336534923429525633603027905092368683908054186754343900958193315909599013789433915414816347030284825206311054530000131170080435371587283007545244089614984523518766824036594861836089757955756679934891767011949766256576610301309855690608733274010752874583338482643641446749736055731451280632065957694484204627150121162177912626808018366308992927486616938791256997977574740939413156133692858009366152087143908616683333760135361
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 80 of the certificate chain of a 2,124-digit prime (166 intermediate primes).

Certified number2,124-digit prime
Certificatedownload
Certificate chainshow step 80 of 166

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009074148948 --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":1100000009074148948},"decimal":true,"detail":2}}'