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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 #1100000008588856247 4,574 digits created 2026-01-06

Value

47007112708667762829174346435643697142114132317558917803238348399899337778041767811232958138769462754381810581138022247838837686253656579388123632850435283877894845518958610784623354347209623351292871770055280625969307499403414816087406191576972923162188561306537032863329926722813541154103351010122126532867914628308919641762117026137555809984032235382711922064350549193107817728430676199254489843960040370351751956664051113713228684806523491322240084093800224934154253655087065778477125415125970016280374509692006048433245160228519334274444695717246931154891973476920005419161894723691316228730761806318829912559171039986636594544439831216734196842400749928531028549065719994043912456960568553610022781656934854151226552880033224809026325415649747549151311834695829681474126817899709612273321663095776847337411272203193132784159961093162851249798665323572327278775520707392574256179414789774456317339795883928904168315410941974028005660112250402426125842843573255440333757921530657338498748723503505091174916462936451067615008663237921053459986159907786820324260630359974231565148903920084964525091550310009201478882742070302051716013094135089205794058973888302706682931285504796326583295487585420699606922468756150583553863085133058886591316290807150954722327867640134302465287549196119276374285052870827129743453076155696623299601870841930047842624338948301760777515491122210282202042811648374334119497675428636771395518419011379330950083042807344779384813179183178015689937121209521072309771000226751916795347950093305326399100252752486800054109018617407863441607166255978589123768988263148051769207757852989210124324590340308890406987312591583038129846176682612274230325201381560668206660456237633935827708727991613635803074570928656821694339947448265811132738678995339789335381264163819843402914181139763239353104891904262314975350897492379653015773280023810390305633048009854466414518859436492424284872311363009662806976060427964613089027795279938019199501473988910403042864518746998418207327417530127321688054378375737496803629639031779940055680637369184579580444455698122921501694395410203021828167090128028322950461264817968025611038109675424229302958747742619805482400627147159402380315314118535301207326836204925897700912909965402205955150703678107327382776343881567083305726304828428757008116510752057639921189016852631959670907989157472104896884064871934150392892706314030350201085198407786314064639801304366749634199436059283818264429557692445554275665233861183132197508835367167764632859024003240213219239651287316706019768493759359071730143043001722747267379706388847318335406675243910354176550021020586073628550265647579147291165518910665941501272666766604706599057955721846248662663800329868413835530214355599906238276372149502511450552122140231553562492835250768465620405717663427861679861367657018559159784921888395504281219498882363191892155783710509264555632888142391233473587686725407154833434840468852059016087507337640255185562714821449090070143269334248700881517437772680449123070056736462964274978445906963872863088347020946850070718820907530454131736410240634733775362036820297094505987924740898890572805525784133264376756505294989852637319091605477104205819922992571674124564265682532368088034695975737361852614337670850302721237128149835008184027637651800532336914823882361924173849399287527071329988462563138142904179480250930443372613887279625919572896310559332572638255472215318520920658153747309108352105754002842530296209287303461648010234699307560317691825585323919176513593341182161880677037393304522250640317944265253924057738512311492699086113631403094048022253511425448448916969682301435403904251660484391811880987573962365352899009719615279601570963580381080245244619261755325306448879985199397929768446844590938667953313528679334747289578188492253760054370596133983851584649958743228440674780854309193979421201793629107827570924974705369907270237739041401031639305534739527658199719037307647046563921630750017907135760999504101020283624536405362406589904209975632826246362765608438807354613740456731904907010141953009471137361362441734941167114862522274054262014395967927418931469253558888727913214788850456615434312725026897533974206872775650793978069519741725282187928141546138868617351261300986971470091641101439703547961501467733922811009918511496986671480174363534449484279393475623822231894200195151382813519554935509815874830092487325263149998966358609590011539566239310705194935529410155895317219976368620314520151047677618170886412398731041788018414830980024019188787563720462212806831844499451785798274848539605230918479
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 62 of the certificate chain of a 5,460-digit prime (330 intermediate primes).

Certified number5,460-digit prime
Certificatedownload
Certificate chainshow step 62 of 330

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008588856247 --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":1100000008588856247},"decimal":true,"detail":2}}'