factordbrpc · fdb
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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 #1100000009008075387 1,998 digits created 2026-07-27

Value

323337817022221603656697020654325402841132217149563201147208448406336247884540217083195054936674827007311880606704523620348960412090881146436261939929042469807050411775616594579406569395366741252403621905171565568035542775549011302698095064655703082783006789613142490803205655199845937017072998593480051021754992366890501927192828326807409396362300818671314084007015661670102954552803775526625064807883175348833693952520862150237337268009009743452081816183738062612582503622028236058144705134759711874553915158202358602606812806955970705226536850265066316041796729715921759640798734935068538687388568236938796144466303106686179862077188120502034038842155361176060167159568466770250257996359503426941047023036163276084302166403825057526949012732329418344085136225599514870257713202502843790050444337016505952679776163467933189319066274158427647073065645146087845031128433488991827143033966950854195109471655336251404275154955995802805241791188675958585125943018212533121760690439799159514615631428947607493020024986204604619534244457827573495943800513543008613985484972731710940571140015049960079441283256882257430934981006640796687309669498171319422803092433697410258527343613700066133648034215961921081541232929140802268061541652487087038816850095378307365300462216307612767923789454388247999915145367505498273535113698030928663850043466156491047676978063657249011464141475789109379134989275873691216758318735933797065463037415468120456724645023947319950777345059442771512384130282894110000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000000511
term 8110^511+511
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Is factor of

Primality

Primality certificateproven prime

Proven by a stored certificate (1,998 digits).

Certificatedownload
Certificate chainshow steps
Uploaded byA.C.

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009008075387 --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":1100000009008075387},"decimal":true,"detail":2}}'