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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 #1100000009080279495 1,618 digits created 2026-08-13

Value

7577805636343221628541409697235200577917243557894905163948723958385124876190833057796442749951981007493085080619611511360189621820210254177261321276428915543515586403312465891434071041486578522319821351419017458364267039147130741685453279958218183642688460820005737932190000092220653151315934064296270111415804826002688495468753327939542987547074649108533879081927492363773530644384170308799793145098170075031610928917039095416458374168078092836857889380141747125327152615408928582761172928468309745719233704219401168536226298680017722701786301808234038200482863460192404228206865825854300553282734008184027269172787399724627390992220734161252469734670372763348720589976257785573883814061626965016882910248816270715749576795546104883999784180988776555004492733443774725191789430779864561183515034864138426045684045650457837145605036364170268741952588181614938060225008744970879453489186020248635766928817044436306927557387671372309096740776966253610405907709218737080862671078960357955797092533880236816826451215990574408275763945649910002991403796661487805696306442878004440390596458445490236151728013282443165883466156752694850674075887763237479204948468782454518198982324790340430976961643972090260324943592614712339396030619748835228871664279945038825365040297643119242374932435450270649475107743034441794485121439167173370496628364996131503991377601200518677162295972088219792157969624806273656296923115812964935978733050030457770026088042613885762137544979365184461978303265597563352403305051934656703599416580667906083305155951369873100586730006438117975482158732106788358073093349193651872009468519650343240331
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 20 of the certificate chain of a 1,868-digit prime (143 intermediate primes).

Certified number1,868-digit prime
Certificatedownload
Certificate chainshow step 20 of 143

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009080279495 --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":1100000009080279495},"decimal":true,"detail":2}}'