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 #1100000000905177433 2,346 digits created before Nov 2018

Value

194985272301563681604060003132546324216588096595780837738575977309849055807472065287152818406811320902364454782216993209385459997247056928225936977748376365603722733325579135462124505902487254863420461821354767978543914226104904288832634284654700511775038439077752884071189750715536106098494565526269951108132261667298008961356504883482056482012376097142164237251389965860625512807110491446182998744526006079516348968054023603964064551003259424272854695411634699389515782149200815523726956241615176279338029227408974721702525604116560963883864328145029086613950626161763727903327190153014778491523799567504065890188093666767654857248148430322754012613599844153572274772063145816661534949336330977841783410660572091492023689395404446775869428212361607751568027589839530856661282872539403753570541980245321467856137292110147102623345591622325168984976315006514530086580229319380197410102443600097885046319338476805293377512421129217033940430352871336727685020913528777127656174501498515483454258171013698652984544111127541945834849621613863113141421914308797751450427495989922806896562552244986131648480338565280752135009695853249967013308560710606607719266933391814872209597570288223639058102960203201583357879006815816734364697264204856435164894894842878507555505247228644450841782565723977067185321655450595984346513266792853244341780261848610210524685760468548423784423344281664647776979181501625812804470414067467289224730783444548444185954146637292512016786683839255654371272319680470982659864956735586766672454984277103040271677360273198487966625057453411102844849050691301048747725770561916135464983576866263022693105023683947803532687300217556918904463328945480424722895026186829640654065000864728382251474979989030732734639161891549972997125101049480458054669440963960477067384305380897291575391902423966019161740762219603483903245201843490197296771518090027146943050832797491066835427295492543749593441863281172012360052515351031122771417184321957315069091644480066665361168050232567050885426809685062293376982476642391186743628992867984569392960485169442979463622024428371346090415879260604700719059759471458873424279045188032311108619433561390331968044982087742737943614977039545927560184983870868347625689527776591596493898525891255315113078161104811156468427601830322548385074866138106874879151381833292215578154508103640938720557503
term (17^1907-2^1907)/15
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Is factor of

Primality

Primality certificateproven prime

Proven by a stored certificate (2,346 digits).

Certificatedownload
Certificate chainshow steps
Uploaded byRay Chandler

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000000905177433 --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":1100000000905177433},"decimal":true,"detail":2}}'