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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 #1100000009053480661 2,143 digits created 2026-08-07

Value

8477789958039400804584102427351516178952434541097814999996531144602535279047362185489026111282220044652373822418148666185911505931166108151403038905720529561535001186702639567286316176962900023893650485809435459472913880858483168949102519943113023787615321780938616517443295004577313846086222367886554636918679635086592365029754750910395912400331771346601441197432052330348725769307800752382311887256076740675875805183326495849581698753521156176332905983982695319659367658242314344155809617711651805231378815396941002795584111955459012757568121363397217935279111257056115229827778970168412905426813254166071310726593064547885165058329433713738377360951849115485141316489776713677796972474836941374400670220348529420521509899735695334812842305465476869942729519933513784807779168878573945477381852941425178081770627391966026425408313137286461149137176134784130074622189057544458757761413946693670286781181399315467920318551751606863891469789629361680833398486887312076721680837796481913253427004611404742346078283387846906870478346474195331223557337593253412111519797303567315622529359359738484838358905026174298151516285674856926634568098634976251689461366058017610731439305528993312664029477518812623182381905697242847059602189062896467414918893237336215458098596045339706701190466410645268604468787507507717275025382201899716548580043697329092359602220768820608721448044475032380613080657003450338366441926654967859840298349198948848015917125943899808394393240246971641265034402954783738362632043658209940508899542580991142982392950893951754167784493417089895680754978054647071539232604174432319227694678081798640300018319291168731105663883919687092781315110196723533664623537094503653171360807981223208783460138254100298467304636517658477957057298851843913303328649821904691086072675650526229841139981793444099742974794337553342347828352270742127195173120591128744212573024280475617474669818181095201869003423914958317567939443857413663827492280309889795882783889851407352450251640756567453891967675967881232389856941512813931707285583020835697197428421547505781243526397092617888638599156222102524681456618069188956432135854367252163368017
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 14 of the certificate chain of a 2,301-digit prime (179 intermediate primes).

Certified number2,301-digit prime
Certificatedownload
Certificate chainshow step 14 of 179

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009053480661 --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":1100000009053480661},"decimal":true,"detail":2}}'