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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 #1100000009053869424 1,216 digits created 2026-08-07

Value

2372861020453236008355623988062018315451282409755707838392736154942773028079455577416003123507055208615966031186647785789372546115285254983897293057194781102827027339895563513086291175113792884722499188471055147379058041429507551669666171897317044048955457410526245445346664942287338567694222395058927800407263485009599632208928359808073632164578361821052136829291217538515714297170706584153972029569165702499931997299701210269632915978801134170127197940056015809778400992801362063892535283705198790498103977487226623662840000459223994210417059042561185840954271114894712686702690299954670541494864510824733632666119150437010084801931882448428614076334566291207177419478831913735737896153993669309492604710230610827774590225432898680813738673963008944237930042051638545711099696204797447625777726823390379664535955996412560072010298901995663115268350499836736490062792695872755692938406525511970609868825089364163966331184578430606535044346460777446800010921497227658617760009241369791877430499294832072135446804666155254683654267072017592003322407963856879652286085100843331639861944255568282696466527298947579267926411771314409222114469586090847146059821245475817424133417797079459502511598584997071910637144418779
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 31 of the certificate chain of a 1,612-digit prime (125 intermediate primes).

Certified number1,612-digit prime
Certificatedownload
Certificate chainshow step 31 of 125

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009053869424 --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":1100000009053869424},"decimal":true,"detail":2}}'