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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 #1100000008798798720 2,937 digits created 2026-05-10

Value

162166111721375197603632541423313349496645109938594099459721760808351291062686865018572160390535449191794803836419685600446244224648771162909807743947059351433532305255237767640625521286853104610764891997408782367629271428036746676334330483262426552069675893599066425677350639084696079663641114486578833281467879453613438718778113259022814085657860860622747111296575071238204942852182626742374522856577427589578461412404023182074639761427839237136789576728289147771131647055561496575066527105060348753419155580105157411722062517036218291003007228555505152065826507712214094894742521490205552296075495702180837459752667506711458646987650293645717240996967486384358326249743244545215143453817921783353742306211829149107085174724200924004262239689477767433639798747219120377206192013172031573568983316202955100821439776946495679253102766240431959186285194552936831735924109951589520489775542473979384130155387226314094386556611360592512239788621723365156199638146554005214359726465197079420701240657593101652176257038508924690081872305262862211964115470372761680417082364317534736094295268726022657013183641418589359134369982614040860977597739223730136518512221607339870438184098645628087934724590503039095103064031845781279518918081283974488178642412920092444333794513432341203362174017649551314849860689071897743638322159468628315408778329854081971982547666946548881939857053438084665833508805588134710236188081405171979267001189397494274736843801895910768046732388689428888356365108652351171501962594668968988728301231512553259151630469912507429434402417536916174322196330743921906434515708232123397015709702460237455792263983825166440239024321383648575459012128169072309658486437913604397570566771111476464742543529981623759951557430598694937577647638800217828550710588739077658901091367489172381226760414459065534795698599913779212768959218962019650028251755443911871474008403401807957918749507903406217530733971598111106836940589464607179323240937491331171738814039297198456337132213705527187553207844127808395672498085266177401116191738283670682256698359984585050106994789102048395012718082312846277886602649769600687263069448530142053697267527378621582345590144585962959004635592874973147938782946339424367940519149328699181102975648806131543331931394025151201590655471629790053940487710706509850373966885994555113789086030916692539260617480897935716944933819870694348871736788902426558960282550264996619096633769012237351990984855776043338436673578150412223015569441907933776220048014918984990930006111104566797105925756478877088874927407898583113785605561273463229939332062132450539205345104068215542875489291082097099541645009715514525434490007248360722304687077137210323828841802351866723322915125599695189444407900607261104920590312117879047540527895328483889231428241082508766692863284409600517458963344805982876141985901796295094060670118345972154273321082907322101003764895561323114148669705272404798401858913674560702600747
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 68 of the certificate chain of a 3,854-digit prime (249 intermediate primes).

Certified number3,854-digit prime
Certificatedownload
Certificate chainshow step 68 of 249

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008798798720 --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":1100000008798798720},"decimal":true,"detail":2}}'