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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 #1100000009116966778 1,700 digits created 2026-08-28

Value

30494592447785219081020349918090071561883689772710944420922933201518825982367831573934436655718351207217278677584767610155136274250803320402837836533385391439011859952003784260698742357297022691691729806613180012246168591565729866759520980806807991868566479160354631188205368545878669015921438708406808516609820409765258919580970423159421539079994427948237361802466368332030939786229603946433574903451973229183761287692130632021445751164753327700458817115411547291916706812197655905313286176320012351748942579167264688256012059834061605770961629765933758057891495711476913786900409376634942745649543460337582155097606606323824436508322281916618867728298379373688198346262700485405006672513578533520743925678557502348143749348934104466205625619620512687653021273485325909619754427777471373047236758735103835097032667967208426555890661580528248675735166758501205568512206875245774317338884087426380735966464956638382308491210767960132329213369095234633684090209406553714569688219600188438485799586674431836025049151151115567484963174726169646280673261124148321918405724255727727165753111407527557872984613288019097638255240120759631390018134015485539788251318877064077016289304879633311638344698327534475132691118863989586726018319350260071004811408134555126082504336039342397222207040794311712682254370209499823178971654582736554194806264671866382316837447456921151609753596214646044918614230279446763614491695683999499864879132326692339318761124782217652857605866744784016641745803422624829621485801176864385656139436312590726379037629243756930311617374044978945716748284119076888381136458619768784737837795896948846356095074687449682358915256188212493971023751769844613691104882526926708534841852447
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 99 of the certificate chain of a 3,028-digit prime (226 intermediate primes).

Certified number3,028-digit prime
Certificatedownload
Certificate chainshow step 99 of 226

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009116966778 --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":1100000009116966778},"decimal":true,"detail":2}}'