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 #1100000009047821558 630 digits created 2026-08-05

Value

104992219958137005901329887966035360408308031224678400897010707628613739024529650791485368768408284559264709292031967752195965434260088422975658008510030954435658876518029244032394322975657801061391823924217125488462977443141353136455798429454777059064555357150440311585609902674272789808439204733116375841738983583761339018880554163804487529625731271798887360922005394030925530745532084204856169770095176600129392869744526810015023081956316465439556532503229242363979673652586840366017616183801662616208313714749998803615125040258125548361452757246082315050017992243630499076753807715899031997704071722086383002545715051207937679
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 72 of the certificate chain of a 1,470-digit prime (121 intermediate primes).

Certified number1,470-digit prime
Certificatedownload
Certificate chainshow step 72 of 121

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009047821558 --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":1100000009047821558},"decimal":true,"detail":2}}'