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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 #1100000009040618935 1,033 digits created 2026-08-03

Value

2987216589958987775854337558410041777522352856656419179506103600519976029551795403067728396189645853274260378363932309226999422391634968811564934244044104129176056472254711487826040314847522728833498046099357200094291369206693251639254882726742118365531562478347211894374065855196589661504309076600134793163476407511299134862476861790997407094446558937456800998390913060067107107325254169590637434345209645155603824253039240528684489465148779823296745756824791581019035581665865276313669763030406125559040051472764427739600158778894583213072146982220901672393531605001593674696736972982863257663301409441688917474993536759913009563414640094710573004664419938017220963485781388759308416629732843760286572907478432091027587987194882538634628944706800554714729196170962741525437750039836614174268242480155940204774591543387050765025659370123544600401202473319610156094672708431802227764345484444637863543713800570539623808478206097310635847558105152337555973532628177226265178291250737168855333371261522812266865525930738264578718264763
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 21 of the certificate chain of a 1,275-digit prime (112 intermediate primes).

Certified number1,275-digit prime
Certificatedownload
Certificate chainshow step 21 of 112

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009040618935 --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":1100000009040618935},"decimal":true,"detail":2}}'