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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 #1100000008270920460 1,998 digits created 2025-06-06

Value

155781920478232722141903067163332875429072464910065788183103965773339992177025433902955870073125767947987338015922697894217948852443421827831947720836512469327663835126404774055297756503979591042379570388251250962839708394427407512293376137817131321474085619718391697389957756209612262541703265879278460209723693849499807893295836029436362400252585052073475577138117376557393250839367131892800774055239127118556094749472496859670817099811310750378265360892151555171112338202673169013963411190983401808323305433108467226681716753405018685283150103439654670932400025892772321012173893691011719982903137847645416416862366586283369865376343968941574373309526222325231209282757708537428854566276895036624135142871878216768992457791862094377454228790120418534166077843311234402796560885348158552994529740399345382113545258347664075262387678367206040397573560784918388830664306445657554139226975990751357243727967133287280060458384936675031208962741420800677970250430766832139645104930410324912982342802320476155851481676209211723250736298014462988796791545890976940298427996336402075656842889390737679486541622934318063020962148628510781090705043448393968841917637279617651118509575645492542673230968924626774736552574241354033785572303186717665218726970361178327528892783721044060340907617395860684612103228970927628059868249301833566128386446789093534755917528919975085069867614282126252549682590364001206454441542738959687639766778546599654174859309783303510074175284563933466422645453381886633970769700521336846878866556989241564223634251916855683014021341132647897555640277721020414349956821734405785868461932581007168407889264299209817063862023908585940088553957402735917066388211314844464648161436668874610225570797200498455144140553716307680237524909564646789245729752632795268683732080581199809063886933345634133112867163071658222524101735872579126491525374618178277304788883337816723251090608093457373044970176165144467365722534965989686160251722024546643608335904205833324251451679063316707811
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 34 of the certificate chain of a 2,344-digit prime (246 intermediate primes).

Certified number2,344-digit prime
Certificatedownload
Certificate chainshow step 34 of 246

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008270920460 --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":1100000008270920460},"decimal":true,"detail":2}}'