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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 #1100000008805742370 3,627 digits created 2026-05-14

Value

861743995756471164317465495064570363903630025040242802573737013129248075464052770233038431948772181076497230871624171680927419216786071065185384688493230283689540761232177887505635120991918750128838745770618226049483477625119619660047898547178240231485614501562277757727536558282015907867848715012738549027857056844329001993883854118296279154509510807675591768870362035211017981623338921206873054471923237301197782001844622848535319370894353288820657270504391737991870169271623070664917858768985748669943724719008912929788063393704646781936210067631359353676619628370801297789470226416707516858374732689832385355555974262521238775158542874026239648446940582450054944281746505500958115833774872780429556336759384925573179071338856569915380916283229963830020887936967175569910095818880918381797353198855150309976177272783698797538319392933225953927760357677832176127395658343903194254223163569127727601642755782731284048169465687059240812723028364921754969122673177240213489978481760300347392671189171431177535977743389024216066438743202355626627931378689376827592662990779455068995259534049728444876678152337770187692515757643048756062261001387095271184444112101055307999257105468267298195187965876399693920529248122488409825292868398472192336999545192679483286265305577793425453193801566785976750152592862240247635305516704852024366600073483279440736625553152580674078331327423597875801025261514176206641024299323910806703904049438373469968832513270045389532300810020589163674190138049489844865386699458949699191459890206007086535547358649411085194951473865022284369454164461881882849707811134831553187598231658450780346540332120772468141809059738315955621270655296074434905825250163348885282605728890038705774997200228050759516897391542325006174036707967735778767642069353920877964550379560812748501754427852714445298812677362178738643612370066623108673991138161661719437394706812082943884595311645000084642312200430036270282280559772426712208026796140640279368162834311468563471136133666700591032812010247022194828376866871082477862396963881212683753484939199719981883841074332073610777708074093196286297195370975911572798112315385575204797755175641349690251269689815144054569156258353788710079939962296646949128150937236676563166223609499825383399227245898353621584611293493061525700459673636540458487131476456220633891500256375692270148773568459670161243842835618114800179477566453898384108882782893320352352836955816183653360104141186015052421474408403343954496201703808555356038987526229008252935004594730105052490395312353181326252729149279189663123420104955081198787140129800461975466265320643300840567159291819226059506357821924209176564694680249316519135647114510789953590448556325996871463713616877226788810884241101142237887039138520109680139033382583564019509922279928909625387133911397140572151360218184466748831142701844017498797924185924385346742434792139173127340930023871109686523066296199614554305631749453378956703512456318899385839571812132127362582680188359139216580976334164512280022900087654074063061737497990061655803122459857042601444118827693912715890084154235868398827179732638269158561909539044041119986542879181562627802160429066646499477381988165391586977381437675994524453689944959612797490134232749234326479113955036618002905869832358997582935684070673935368751431111762114768158763182958040028146696532312608505479218846481366810094349111192802141653061173004102465397876535052888716008491243665310015319589356354130109298681586962647359625509339465583879882519070638698024138035365002220212227182244848404714074825458662969081078486602691144419225691837372987044592301457632847898871125334541
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 60 of the certificate chain of a 4,479-digit prime (285 intermediate primes).

Certified number4,479-digit prime
Certificatedownload
Certificate chainshow step 60 of 285

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008805742370 --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":1100000008805742370},"decimal":true,"detail":2}}'