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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 #1100000009144174052 3,851 digits created 2026-09-07

Value

19796850691451652088842854745974175001321303017699833613777300390396674859691655265008838841700097771578547350815901633377539752867354216131383681611220235704408731147053376725730081715102911435682207853641021775629297236777569298462462353481499236764131517676416951586705605610185270462969696823911830061453248487888639028471714603203324340609936643713292655287212675261899356544072200685626483641132292931617686165056655644517273176366512452846603534037929399501355340830464914722286067099623068018081601987199221371321288526132344014074551649105201855865027509192965074870880632213453219816650947733300353157548822719162469674961180555377821586661462246883797413525734936873794614617541881856130445395859773544910492642912539404874807219645240374073184397068040335860051015686272554679120388420061063557127802597170873646151940053203688218651993712266874132839649751539478344749359827440689364685198737528789749767410957507497559396270446390958883615985685320607158151916112366619961137886189234888371233104964335355759856524133212963325830661440859934354761754096718250435438016504605817939211386117697038357605521010730043490096811501130286602484559557516082362963893881587148892343800687153065689498850758994680580664591736135536540183565406349914898907972473922905232633203931331054836343291128376351580650620556614133707460722895640230355504035638466736331425589857318050825078759133614817516433707372575048702122699951954903916626498396198779774375852851878087601470919715311870692729023218990043909705872598405787671690348847218083128009222791924565653560818533524390537026286534941696525086122894728116803329669486308473370876207169011642445114338868178432341422950892502917986050352215634585939756324731250317564501555034231471905201472800038480800080325742878530481323001348366230619693621695935307382584597908958569293275408250028129330102682280765863395183280528123464748513436141848707341763132797775294087712108319227780594395749868277198544439494119950060533571134875846048064920437343566995065205637252556563133503913975617745927069276552640692705888568698378256994885574224241641590969126167252924135235340312735986606718706928376517867679008820990093568407663654723974916407455152841440097814873937337698178223867064054890297502186389775578214720738866945016529385105352200635776943010857307633060722571811559939974192465463695535769035884645874943427794705126568254987677618091666651491539522804735819156019443470166634762861838712863537048248959801308577278035100446559527154613701622182044064379585487640220054141348361598163681117834188647673590753344846128300872964259143952159876951511189062652447942567741112235432751345205886205245640581857812221457155715322439041849876230831552246594477793316343887156316004006293479401044378576286710493897619226364405268957574482963115023047568512543974313206616373056420371777066768735108182364971851388077276939859214413324994163914522524737738606590130905106789735031875270871049093732973915236348531305073695886887733144759110856238867776052769293605215576857994653369730883904471695728281338533161096508917447244520087136999467089926547071950183167874820170519791506821306284984118016942367428477042288676454635983046868571531718401746366277574336536392906068742028653419865280615020682838938331675534175916944248649356040054276346808296888400147273241062741936517595279093060266717503122564823966414289897665533890916848285600265976801868108089164990823141101080534411452381958588427961059347866531523613268163421823963331542716798949005109721523071601604643563007720790798116232811325201680440453680393996116512788287338505495847266886397870632926711460152416708680229127309018675007073226845092498992376225362693252972336726470050127137362418988213764512223324451960543540699596107982263193420147991776805398713723505769527470215781519110206302527661002163770805782339410815127
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 42 of the certificate chain of a 4,258-digit prime (422 intermediate primes).

Certified number4,258-digit prime
Certificatedownload
Certificate chainshow step 42 of 422

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009144174052 --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":1100000009144174052},"decimal":true,"detail":2}}'