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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 #1100000009079983969 1,119 digits created 2026-08-12

Value

306371638883991431562373649742933830242969983317074393639493282515765220045196423322247136444912596501928915820683698090463799074312131138540706357397214227620151700337892700442923188784551945523837320809315324505064125609734063368008461274121910334061346988347742300026129686383819663953111025242069364743925019094663255085160400623018338915512572483331011516586993059609777060421334076150976623705326956966128738859789996101953158424452789262076580715641827519713215378143078572523323384265175643966265494200409825782109157603418960989747027512292222599205339989560527305292276684436107564317925047966442491595975313625355773880664118919938252302533103188271433634221425001949438043473840500744795575218160138983970518583336872333802001514017666023272822491063622144636339379145178232696674546141629924579773388499965931882995457652672587275135410031965321163368810225851851097847534153024669138831287259649135518126706494067424928938555077129621718665268202119712128320031718654636708823494736696676975028234037998298647296011138860456785337445183753580963630208845032103475011017845849810673418696500269188680448219
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 62 of the certificate chain of a 1,912-digit prime (150 intermediate primes).

Certified number1,912-digit prime
Certificatedownload
Certificate chainshow step 62 of 150

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009079983969 --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":1100000009079983969},"decimal":true,"detail":2}}'