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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 #1100000009053592169 1,287 digits created 2026-08-07

Value

972075554538235016348440767588973937716112314546097797468609708789694830716774375903857927019816657506553329831244196150029003631234428552443490567086041730396850278982639616049562105297698842981599555557121957850767498953403010884938087787482199592740433867430936838397513400839112291939595097107026734052732468240334091079316766790711444363729996005268701814597861417100794672005935658710448726357754501126610925704040405444020651173532340553571800104726099040544343339279170013551693664058005347979009077064690951403016679915536042699965590600508402728834996546968331116362472303283183340209884453079290090199305683937949282494070049007970209444991735721328677167740749212184256776343875460542989117138852805731593298303373828302143190269658166211956679019359543215175987305640192352910487746486369227742328053498011644866220472934752825571017433070268133101117580791302216649436981786943231367606019953602778376495256449688537067199432244875460488584171472456746398217983496619264652954908722863389567054928196927580833020324240631717892359103014939064528840031668582518264683594479653270145573881364895053986103501291559758792979189961145816173285163393472506460135725204217588564627689633250245190594522912532574159676687042532951934596049979035821373060327156324999383797051859811
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 73 of the certificate chain of a 2,203-digit prime (166 intermediate primes).

Certified number2,203-digit prime
Certificatedownload
Certificate chainshow step 73 of 166

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009053592169 --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":1100000009053592169},"decimal":true,"detail":2}}'