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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 #1100000004877616377 1,587 digits created 2023-10-25

Value

408677887192835100524516761777721163556305368654254164442433800070746218069210729538449310298103427963659154711302549083537708684048317637510645774475445636872084538855230629114938078955093095942225812422861203156627590290987697526453329568390158972152843887584561902079816979128427527620070643799370461508519437013469818120337922345869735001066064997625665129056073260736105667010302853844747589721485967169329581561880514521175882847331784138815974262004439302858125899489073287099786497123279105668191826401270370116467115466123762931516726193544247030158387051157421917257318192133256912242996708032845421005474248666328646550766518819147563020903705048278889142498337241500965632790768293921777397890808291831266885573941479082099916928409062109717823647251655893322084702768490291289101885665249021233122026190967304938170495373683694775174677370880816326949362454953611837747820995662343078382273370266958520337219122566228276194363766870819239468987013343971045068899156806674131912226809385944500503743153495834661681529653813678169903032212642258768805620278738080878946255745373523915611479688532490931344126812561870964569146925351328756589857589238151991631313436627948876050479919179352995539322458942657360330466772504972894816657172286678002623948909833759994747307591841872115984151613005872846761870292173265521511327493117460285085670642216366953774410183786432587306262558101102378309899484618362509804696154845816498509640656414780369352503284994272124744395052028083819718798193742097926223376291634876668868183409914592919786162271508200958499995435057026568071161
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 91 of the certificate chain of a 2,457-digit prime (284 intermediate primes).

Certified number2,457-digit prime
Certificatedownload
Certificate chainshow step 91 of 284

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004877616377 --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":1100000004877616377},"decimal":true,"detail":2}}'