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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 #1100000004875353087 1,914 digits created 2023-10-25

Value

191152280636929398141265833044949164231114969332019082955041276086226715873460000860576151066798111703420973779883187243804117493824534575101846538638310660283351385483189512921601070320017475938822818253843478162521637240650465390403686456612821154732693604163583277665570674802885023494458389636279154627060324385279974465209877923882545806181984595226811165757622382744898829547556900761859468663946250364620155125414490661534210514899822627467914228690518213848690435529456899466516599280325396633091737301556277961236536834081989880323440515882764253389734657227728740227967392330434073407020293344666768275275469059560008878481575536953737865188802800545139863583115811060509199078652364332804283696118250342512405558015172285833021423941344050102673517045720410755835529174059181983476966060105340893278172412424664574757690612277865602446781525685444820773996261326091782224109316377264830302874783933031325009659561647813478248270223046669539608642052461525421791476593570634925268835545469032987032545782535836328099717595548241106731528993170364859439873210522619477355536991557239955562250868117218143845509264643689748005541847233785644572724568478222444628202256397190982582753832423563641685740742076124332951564994493305216012973297667298179928194816275453480280766787761008227933194725488762175363686823209139188382253948729711349902515211220225079235666004640864003235170248292281017322979782331082114635696761243866426778353752024604152754120896404351553616557542048904502092373713072002457050278190235880190709109739221223704589857649368106063412589426522311507877668911388258367845710470194866434190767399517512387554957195835141065390457476230867479428409791362650452990134964421964466596041064354259996679734364097384998906657975455942495559767942949239579497936839029276722979987768595125669263207639795759023162707810197004813605926232950984989539487750899350566948443191272188107883319503
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 70 of the certificate chain of a 2,500-digit prime (336 intermediate primes).

Certified number2,500-digit prime
Certificatedownload
Certificate chainshow step 70 of 336

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004875353087 --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":1100000004875353087},"decimal":true,"detail":2}}'