factordbrpc · fdb
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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 #1100000008549031183 1,178 digits created 2025-11-28

Value

20271892148626448778549104115780247982767863982136527924087866384063961526817998792543793633624940113537032180363187858133128306086359839006479699159555052931510874387281538601739699208030788715944023562578735823422416429488968622809900449167538273943596331417283469788575266830455326060990173244087509908484943735808190057501380222288181986676058892025359716882786349667037317404358714727261660305147008882218635019787014009907948364840070155161929930034853977495358855012723533118476046388248234229048835990313811586003895962131627459081494704255925495298175051153057635475730620907421201470099113219184935215013951935156902743255716195739891071139255920995102861075371029245753671121430392138754353757568373971751240021573544082297298066206285563770260436136721376410420713813031603444148104973678604676292502531824837747810680165570531568810446218442366820678802716934433621669911116781995384666252179959331049211603167396648702959414883242677582543782276782037337334936458507878641293615887187297528452584260742019033015529130121724520199165021857880380385418958853775549301713058030205783159604809235855949973047472817969646028448739019702003599339145061195807192510954069
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 84 of the certificate chain of a 2,044-digit prime (211 intermediate primes).

Certified number2,044-digit prime
Certificatedownload
Certificate chainshow step 84 of 211

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008549031183 --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":1100000008549031183},"decimal":true,"detail":2}}'