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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 #1100000008859756715 2,844 digits created 2026-06-10

Value

803667803239093829001983921728064939614360678591019496619231990494176969733415742842379069349730753764981001449989509686528398799590368837171204431954605496266448560005816594555628813971423387871716274020201421145545984027255807723659442456037223131054478322187796155438335359207646931089569419692528300488165101235062990293828054954157146666044234120556946432838580165789275423773680966701217358795138669011902953020810092581957540706737237560256322002288291764420348030599092655780317880412550950143899814215761734536279922830673459221342330496268400080714898410700279849917357666344459645089523903736729271283918382111634347349499239691845195217374861323005459740587511374372839064245750691147765222438679645176972961193979897669103274455077078815217153359743673630653821239659333170609537764930731283193949393017438551371478239512065384620137927706556779430834517193690047609414317375682766675911940353846354341207327465165813422329675313488631992806391850250923861825024276191552923821174612094125245422009829821443720906238668135193086273634290876815265952902507542054293408012861215876510324364614575969893022480506028712853548142049792819898525426152694010087454735220483588739002692237012451976385032905804188473585824353393332288700297207880670215250386993646053333160886662242743897699592115012320025726471695478176506747329350481222453586733733628822493968228985571568357814828888128081872896274264642873619778556959721472701933643997029465949794879575354059112793572578350718799126080800491244215518058210633266182583842302869166000332301410793522870279409152536660153285383314701371957287791823306028550789902023275664900826578775019014700423441963743588053960823640977250436113503773916948064279272389769067302485271645638772422680033689394021314876233979445883211381574297774856399361075130602241061433208943376471608060367770363900889569885552966325641360764810360307414572211627136069157126757876749095575611797277266201517851246112933003589982303044102733718304552308066187232633664170418920694643259381054612146972582261077825775921129992968060759060547846173652341244899628787071058655900888553085898413232617113101278918895535006624246343476029838504971168096892325023989585291594661170705116375358386106477658933669592182822539644767551149523460043835164987085504845965434708456789792611909705602249559366403146043051067631779400678197119866939149250844955447567317073003983464098681444586315905428536056938802024303059729908768666977648873506370429250831889355676474195481344047467669697578733159475897125706025542617887592802860139476719525916187234566308815415082149337583207632970439535478165876214058004287761148067537416622408177985989066598847369321176477418174864224691370514193363214447538723941506363182074326420743969179659010160976187305684633950802669018432382243683604034202478845507716968178730765907871191
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 30 of the certificate chain of a 3,239-digit prime (226 intermediate primes).

Certified number3,239-digit prime
Certificatedownload
Certificate chainshow step 30 of 226

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008859756715 --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":1100000008859756715},"decimal":true,"detail":2}}'