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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 #1100000009126644202 2,316 digits created 2026-09-01

Value

372808624890948924605778401393785047796781640830873487312100894397351358802971692420996552179687899248784262510808109253666472405864542139680307161732461806854984782349213170375669232712575407271809604275855363373119549943422118324876472515234082698620698049763583717407473614561086196215857134297297998623824936556854101483465625252992951096754278047707332076739282217766415146727583064489262382360432351096526873146122366844753946029386414751574127439689555170796655679125221791295650544819855176613810340673851664803330769065637468899585621562494924492655438757603434860655873476514519106515259969335509082811260493337760717553353389843938382023346227090051367542611685670495828686417179461540394739311380914523220492020315603123096034092643164600548479189088999592177887665586607123039640918177012580313706578969615380606086028209910589052661750735164658527134520719950975267155096918550411317692306056753142755541773243720833596296762524445228199640622323009369095958727546551237776885899990462785512480158015888177455967153954203199900703986824281385055979632461405193901916077781871494500835894482099163574910734246685177993975022130899302070582275265835700935713807848154518369329200275083893156179992039122816978623425918981335308264879557666786772828048367908734025427544854199637365330154566624234589748688406001183506696234894650568041289148710157679641404144589891549800043480925699886017897387550389612476557609357801765282774723353592862798989843377309311025208275151775986901297449767028522626562311936031078834652659317222163551832804817232441331584822366606071973530335185389428350702464131542741224296607782793236220314811624679411256387392052293925653732497723938625198069301355416696528451906096174102931851753477284078374216079277784348847970384416050772982395777915486346579556032820461265150441627150312560100946930457490429806609894742530711320818356066552354245105914327193863541012554000381197679814570942036629250167612139575906511260010313331845876406678472322758329590938761017015780882659853920576804249154842953106255397323455348600055931994222664516534536791443322375843300411134956614588340851067020556106595398097352200643337734020874142988525969061142137016670635783152596604128288902274054014217093019338887857568853809684056277745835792000043086840703735558833981489698018126373
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 79 of the certificate chain of a 3,110-digit prime (313 intermediate primes).

Certified number3,110-digit prime
Certificatedownload
Certificate chainshow step 79 of 313

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009126644202 --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":1100000009126644202},"decimal":true,"detail":2}}'