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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 #1100000004873011166 2,126 digits created 2023-10-25

Value

66356342674380477234877986122357869372322258295120825120565042991247926676123136899036581962125912159181364433168151542885861331073036642424599433015853004883472628492415948196013076299691461824517240513806979180260273434501850551681102504615347431722414838065073187600422024182227692342934786201740941691796595798669442608422848659787666312061739478656088605270189848758159441356735443742806693824817974591721685703254960263306993788838611002845141982358798494814357074373931901896528782727848570180674404173558922918439361021954897748500746804279100356494755204358904777664568630133794126059511256235481739833925021375865983828310409986917276598508183726862896869591907095521254470592497692629005717917970156766174735642184955024943539999816784810635726780440444862055343297256523686379851049515408595983183604835106716523314653976933417888838355978238393455007806532833150054049688618164572741516740348294880294536819603852720244413803998599603909873656728009484990569289426896648259560854385207728645757049140494860100811176255852835941131988091689942043265549322003341630552783029262864197312721445295253536759481980284277548860329318423043336218728585031355676614597514091660845521632478924144725696329287066307074567925149816009856802741164770255854570257288225010196914325203349840566980369489729147688336031540562176298461425474166635978394851390017189150531741616942549877987816084250812239969444207704307243019564432428715798647178138004277188072258840114125484852052951868765433109378591487939145676333808821699929522437388470739637486387626483333899747913661924779481966194017277834474018028758800021448268744853503305984657333092445765162877570386945943789136771691197562780869725217739709036225357253156133324578078501285665653939733657895768732567871090923718525006918908017865524050937370988247231224424596891683994639008377240369110948870906406813957193559782266995147812220814855002914791216034324335815645871789355244071515944655684085018825465656451800502401078304458923278408842077251455678487386342903118689234773312326693308202630161146626485335016506126851185180137426789337517390032213080863760223119
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 56 of the certificate chain of a 2,556-digit prime (357 intermediate primes).

Certified number2,556-digit prime
Certificatedownload
Certificate chainshow step 56 of 357

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004873011166 --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":1100000004873011166},"decimal":true,"detail":2}}'