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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 #1100000009042340554 1,089 digits created 2026-08-03

Value

108483684275590491829427929372971272360135084989892027151131907947896993172456602535471110169831751806069351501729681682059240326297215995106360631991953913158404289740096295485098855708033688710612916247602305481514820027181302317223856950815652754813890351518052289789317124321058607067626548567339377306454944987078163447392426216011445905144587249718710673833780326394542899771363973749823876877609227933342561816064402270254555911769002030426308900948929975705503171698845228472269735822140345457969265978626036685690997342734562035089762080845621913073768922611209086860410580641743527771048629131700598510722846867043340140676500820508632059604036357376723287394817332012129092465505802480166722354529824332241413099639600083294585854008480897650232045164950514131226089227205110699945358744577118140781091083272927050925303846576864668450586469180259122265632262888684484689703270360242502586093014639434633001853071181321922341366280631010071135764790918604118642171147798790237376466739750019528196165417635257488900516373651887164483778557246578165732403595624940192969221012191
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 24 of the certificate chain of a 1,318-digit prime (114 intermediate primes).

Certified number1,318-digit prime
Certificatedownload
Certificate chainshow step 24 of 114

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009042340554 --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":1100000009042340554},"decimal":true,"detail":2}}'