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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 #1100000009084104865 1,825 digits created 2026-08-14

Value

1446975677530308237681743694192839746043063863098131474045349291787767152296026631389324234565194842930924983838624785665678360682716113690305486278448278201940771232914302857932898406494305994324860550748087754917004444153435955452625958528375251531844082643447466906513185970225860534759269664856071300412903704108155862006513087826898980632641776268133534708745159706995547241668277490204725867450759237286028391129862708567968615681982036249265379816159437225495243102556473563044793062654557424552535610335804923107136761680375748340093456115780201361317131478985898028895898035311550225190770779562530853647038447503229376579550016364703892713666694060289148723797634908631119808637537502994666655761648449738935285442187018562060774792937594437341479798865626964095102132760147015520360319158360931520092710486635350644152290365989856453281625531895646833177444254077803126823514668505000342671548210398705789749424007243419911839103716747066177699854498176978191149672840046012080118950813551471458577962123619842572586481925421307474730868644289703161607005582937457304733953846466941112301098926553503560571573628680669507360531470985933015663504497781053279174689162027629880131409895767788237587952972247488259393083031694396500889394531674474710243519343473496237567995596583917561552231325310324861764507538684359037100807314760193451703347822626694163572473377238556977725833737121474404242055667940956804872693201091727310601522983842922048052651684762804598444042089108746017136769985758506087927819085585585879116921125804753256310582058165826435944029956469210044058383893360521518969252602988253682879207652451279654510452193837690910901654765500809726683230568224909774324520731738047905537398577774455932687273538556273720454265569313093827430379356006571771774009107217740804793068639460248785391107663
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 12 of the certificate chain of a 1,943-digit prime (156 intermediate primes).

Certified number1,943-digit prime
Certificatedownload
Certificate chainshow step 12 of 156

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009084104865 --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":1100000009084104865},"decimal":true,"detail":2}}'