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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 #1100000009053480707 2,048 digits created 2026-08-07

Value

29216721158301864492697695356482087159526820738315757457623814758105899580481987037149335618787288912693280181971176736338521179849242499652330876091180489430840151841662826061678473811193378439008941345682282702038378163800289067268382838740860974066213422927155932417986551909533631388201238994777118865186129890223631379537685746572735827379355430544237534584625267155152755136692411013748523248221353336382921915045335164736640633184880796854293023390074692621194601260129157473011388006815587420647909778826785779084514805605668062176859386280322531846477802647452606927536419008955073818045915724057121996659987672414577505574561905119114338375066225058416440416084687656318107344577594816321202474049510499460309046366411321707128438869084052632698159524685151009335419052270830461854759380905886738798540624457879881291496764835086573494285126317119302368996045877747599754179761672916983593370950475490558471493328995457126060474355069192688804527245329883317825753533526166814317659736635646143762967893697580483898643759481871829291448450832903567171221850912418344153552692595377672145323031308323314886202448612568437497102807838050363048803811159960203691557840194091522907385319744328746908817262108095957374735325972674059036228768194454524315832813799304142299725759112090250218884416707450086929028706623726161064580949908512743861971369684703888805814233305431315705763172563174325305053933644574513911677869497106178836753378590875877687497991192821217226964373314181344829841670078896976366573508935581884428650056050698267006556161061880065040428010986028232053782544248441434173292831248435237356342053388186902826764483583485271092672909554240759501003982886709535293099160017164730946909800562455361811098287221438842579973216626489280808843330440862049934760192773169849090060877253857865021197941056991296420199875432671846625784834408802282298300452243067680377875763438033150089301417709730696486824299820491000664443170883156763793190114232572878701799453937673590632942078559861540367979316123212011461453895956960491
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 22 of the certificate chain of a 2,301-digit prime (179 intermediate primes).

Certified number2,301-digit prime
Certificatedownload
Certificate chainshow step 22 of 179

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009053480707 --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":1100000009053480707},"decimal":true,"detail":2}}'