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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 #1100000009060446939 2,217 digits created 2026-08-09

Value

271274148722600845302268423231696519874551548865660920497558730217168196425179772413259744737645296583092058323304462322456616402152164350737074030734415730737739903521891766068949039527344620992668887674911065700164932270034019977508122169865231210538026334251415924764549453912497881496932912289659754398653117287887107419897027239840577562207478662628394440975285439920082669522845118136262099568583170221988264070766640007801017580332181911445166191276781546814886660182040956092350079102464720255472263322456153671605965742582863400122986768494529901923671208018516095400078772053120752972170664112661476987428072259145653147207564850842524442971868337285405959219487387681295999188642764683013199404689680798035081176691302264489342120403100520215729052810097479050571075009296108361303965158918724630379386611986036645303845239946752608096644699433370665409890919553718412531971235530227508896415410772780986631222455581132043757060386043227345076090695054926249166151966030758925688386327536453612575892064000015398219581128826812584693574247298764187688568683348896987344454203544868283866193163681065498337209642321601368999313676933743526214421864343522905372120263142700744619713525413760103692619938040752345547628675557801197786439718681287681464818165986464258815788899500709008638162978131626741281960428171090361750495403327579744516823002549722334256477920524424035055486405137768864291902288887251378518369494406433229797507110353450732198115619345486525608406715839149628855782641190306693857379147180190343732606948425180618925537695352660263602820911147117187250829541382977883557538106614896422036793805469929607692892125902376070335232041947138893764790778264662262647603837759795208933428641689060511709437650613913060223360497635286930978113987133186621187833138113451080535882802295843493160864675004024337892213945826189627323567447903800161056332342501907130954346424948687690204966973084360777440147527405851007765778761725228313627093853398187274931904585991183797628576926308811672524673649702270476802220807715516264792945452890295284113339692618215029166355508469608722634180867192719150732407917568247312700753129938368021054857207441792984213162722317653861344032833434001878667211
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 28 of the certificate chain of a 2,557-digit prime (185 intermediate primes).

Certified number2,557-digit prime
Certificatedownload
Certificate chainshow step 28 of 185

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009060446939 --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":1100000009060446939},"decimal":true,"detail":2}}'