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 #1100000009028208788 767 digits created 2026-07-31

Value

30138466168159978957003049504642519471285170780699402267485281291153173377871430660601195180400905752853457209554413662654982848021124493200242370626219740561603712357882142194863387131994248065200244949901879091611025815293384627810254116255357470418692279299647209813844702756586727803392829204500394723177110643038025650250760930569474807077464376061018551983188736616845730590146272817413733222378730239256599206986841068611146653553386472084455013959436671782998768426064102537766784302373146670121472134976406253799574466465076633696011958982589366001579421249145725098610180296760684531252522548091014315413745673112186007580964612322291621250552113326199329616732262070915597397003739375043746239979987144466350862113380974852151763675770154931897788164354057
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 36 of the certificate chain of a 1,199-digit prime (103 intermediate primes).

Certified number1,199-digit prime
Certificatedownload
Certificate chainshow step 36 of 103

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009028208788 --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":1100000009028208788},"decimal":true,"detail":2}}'