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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 #1100000009039534320 1,928 digits created 2026-08-02

Value

20824042029550795253800149686132545856819629944260652848330914546487435291158062610387986290757835046338956538209976903759753006136003332516357367672326736533471349460045878362291412916965315378070877691586547572287732283666072591926298843425605558799607929145088237091650109034221932268405209842606496216214612452720171733218339231771830572473689936145590591129899445594011713979557949210931361103532013399283952811790031212231796773447591137869438797386736928465408544065466206066348104586372130218490978405892799126175621699040657134710683329506578574648536575079292257707627239150852323423065314116473854861036819897521866656587343389264822377532841525347799382711790697664442819135382606270178950574119633380793496065829456805711376332497918563491011417845359332989224734260822080433235824402143859972725976314764649920555704513545952626443897409369725607485164195644399110663097893360569117843534741822087598837243301316095175519323648663540406891927007767482808600893992260318313123158320387727566691522543067241514333600678398035600042947849930537742738441426602553150563691773586584669835980281032203402663499205342248144659801928415526124047630997287647582348023441377816541173110219171252185720424365327756765241341373381811010174378414981252998454007187425512663660904986035017083307258952878279555301614486688033690927172194158491798297422438869965842295736050458425683983616858792606325298582769961853217324233136636064885424738443652000379621000198149853248781385526573024139015548532512202303974084383761812184693880177400106561635217098580885719436830060783956829108313192306187684158606018171659745027213184978412389458626928915121962047344008573755025693046636741333593220645832697155092861238675443277514635285216564307249581011091608141725559773777935574866108136678929223533188294741534092763214784302946338356570645202764581775298869113105440185022629671849781470527043533745411431042256238624472045957241
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 75 of the certificate chain of a 2,808-digit prime (217 intermediate primes).

Certified number2,808-digit prime
Certificatedownload
Certificate chainshow step 75 of 217

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009039534320 --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":1100000009039534320},"decimal":true,"detail":2}}'