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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 #1100000008676531752 1,248 digits created 2026-03-10

Value

779443042458435910800139954872451009418076783620723058390543801770581229702471073522635068873947297714305960645141782776614798217631808468265799156554571340333991673620363720694348793209788990404814813824873751031102531911862738669730094655167551975504216014891076833541596220610571940483189201614230790629074102761100186967740945112859286740802420953022330096547356414625201505703767762705641637891798941753465963555854907201720685043307454745149530754386505107967553820118494649125805894215141812517178367662544095662498954529000075107935971855336630126378388806765717805628148432737187942523296875965505708696818236579306358167342490013516941635583145181587574951346157578946574517912424648374950589237993515414547713761067825731347793609110774431896688853052025257627727042220849024488680590044155119592758134036378247890412004037741733632224245414044269486723589802653883268764128320332073821455963825075417939103475695482839648031124496248718741356579599536449293922873998959588767160800609364347596987826099432753581760310298868775053392031228785344639838461447148609971489050663435946335493867325707528823260066177504621407184847250370010457004242572398504713860508379810568301189279488560097333181453803735793691165910708464460681134706843
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 21 of the certificate chain of a 1,448-digit prime (161 intermediate primes).

Certified number1,448-digit prime
Certificatedownload
Certificate chainshow step 21 of 161

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008676531752 --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":1100000008676531752},"decimal":true,"detail":2}}'