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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 #1100000009056642348 2,347 digits created 2026-08-08

Value

1594183178796448833223813268993291766735612025325466129352791735152052619763251050450360573783231105602689705718008524954711669734100590600311304176991088867078828289977489667352029056433967380228180807714344002411937853959877019758055607207337822294237096794610890901575859832211152231632014084087697128814602948914969759145092925550707674532462405123733789185687411115075570436287137544091301705402077921152818190616315276935157046738986979806063264330540050602594472474040890595183590244906656650451527801139423835724145299068357930893854449687654791729653467194322244600469318723557204307561854861363537808246071674026819294339512470404546939392521950979518374220482537986949637722330387867753256861389665925450276284185383893406616168336326721323708032826311815295571041931205159510252732155428629904780039430638671227404811014315562898410813198967494986116591845554334990420911626461362669816468667859999048601553677229850895344029897074157311934364236530515394425985837881346767358356610350783734307582520182133423803671661505142365649524357736631054376220270960799834335006296224686507908564595749683535208325033986791198624571400672956064948565319393293866482039337970286771252214832956513034427255868167469284187054204858478735958051788870854599600686396162367907919488998962957081960160438483944637966941608853642537932367335552600956828306368395693437544886384715415745240805836743577802155540479697076702351165305286789705450158629888195605238244105564671201751044390569003103419618897712458857300429375459330069548536687276635691545324714617426524076332453817677809418399156404966234712521758133675762032853428272351945592852165175527314821664878012764861607711274932890251499094185973241841732548745725397027850961558854044702428978242615794650337205197322014817306523660783367851031454189035793274459373466869320470638437803544577197070813496738953610177179593066396960821086402767081615080427869170307841559795458286368242149339481103275559405452291704929339683628838478001951338942748868322078112736499218320981368073605387841377212947492041380097174003787813048689322292509996415730477141617718894677663941094092516983362285366006775252656319010448518348945285917903445456833591762850465860875168503620815106041113048637673153854655857345409347110516004050850775101171626642077879326953746962215963339658244842010852510647042567
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 18 of the certificate chain of a 2,536-digit prime (201 intermediate primes).

Certified number2,536-digit prime
Certificatedownload
Certificate chainshow step 18 of 201

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009056642348 --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":1100000009056642348},"decimal":true,"detail":2}}'