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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 #1100000009104084310 2,070 digits created 2026-08-23

Value

424196940126628854416978035109259814517678146072468993805169350862042771639905038461635171730656403171347946696923732627036360438388431289110854457238537792478903448483709153239665139811796177201972955115288041308562503803552428115302592267149125280400404996149166704198572245861368803890060461238008878801722571479194883124474936847265440216173514612786689030748548081699461908159803446076399182093272642990799772401211173619552687193919683805710809226960459867936730393034967469075029495846361489173849428671145651788502667083563354824460873824147308025046351908222133983419957770435916908351654742334403822945061193163488709218469366498182532422913126814063087750966029126653800044228408181765266636254731211374925010011882303167383184270853274545795739325353951556075983962410349266197755663049140083363509847568217849879300096606847682957272146147670420599706512637581660419139331195090325193472399180758511738255483258885743218884278342526218871834644397835600340160442145885270618485420927662722695456992258236978288783567242482956363069600682624710601093747096078937076387192159964520140205638136830734993141694943739667387120722656295920535386170002058978402819328770815691841184906261066190646517271676764560788435020255399897250790661990678127023230908002402563392397134880276994058582031663275097464370849588313432410725269507461936811848309717883787000723936168415275891375662801848023406965370406391352067612698133588079587609082257114546727874618945891894260484975533329481993772758708982227966441652296348392898125292752037570451426028516937701276597152056932898964702354108951038461801950712851372985490638504363274288078021301255931992648302608999640267664989753764529349495580372012065507860500694470758256698083221389082714624291008335281307986614852932467543444753388405758025080363452057448258109792841020911587436559489525161189500148937774663338423332311098971682497380956845535036789063595576646884073042095899600648662345744641532642590362493751124485466897963176372313456940623457655586758756295990705210676010406641273355302067723915725680283
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 70 of the certificate chain of a 2,989-digit prime (221 intermediate primes).

Certified number2,989-digit prime
Certificatedownload
Certificate chainshow step 70 of 221

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009104084310 --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":1100000009104084310},"decimal":true,"detail":2}}'