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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 #1100000004878380779 1,868 digits created 2023-10-25

Value

12590332536503737224862707165755902608128170628881149336815050894673612305007118422370569231725408716704776763343022932272656665815094022329434847543897706186393685258489380678437693613041468850736609431802304630312761479115145916360333356157547332194646694755300387783038348334698067799721723949445079318200176440377798031739266022394514340102805885748965481301673271312952959707720411164196077788133086992531255378054544774547248828664295150112236697518530699777695357951296909640782345145833589056306130982453967247158557329065774855501731870133491495618695131556489154221595286318815720364030616983367600066775952891721504350319203185932566934140683729213524177605951384265537256395854011276102236933756149487168216355250336891280384235321319019896730999620599081622868199678836980758655460081090288310988856420782811827292070361504231599469670803251520193481974975392980487499680006645273934851221090549980283131884083168543383556897967720816109363769435780174941509766474270006403546742899121214375451383848506801178192902773859610836755860720355845344864521042974002618465824146720648501001157766680713761586292211060218550450250204527270508032707171220191072296556965120603227539648932298663080539853181449637610971731768979977144323832192110176218960719652195391643174327722162196855648345358209961715429616429283649593728046248302149830921907424293816076791092695744178075373539669955389765018529946729228933155235327739089803073472791035576766345773673497574119561823737216895336041389592072039398527150681120775513116130230355274607183800478879417585282621280892219759834379275982091846743339966489208167816303777729744413405964235701221072118982999500014701486567970893053334216066095942162789589358457989313372872695329575400745097874095572494276850830732921580811148454235917838754491779991970353786175535502213344531117789043437734912721659632159516341
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 58 of the certificate chain of a 2,437-digit prime (258 intermediate primes).

Certified number2,437-digit prime
Certificatedownload
Certificate chainshow step 58 of 258

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004878380779 --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":1100000004878380779},"decimal":true,"detail":2}}'