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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 #1100000009048661560 1,217 digits created 2026-08-05

Value

58095714586723175509117213153054438905421274586282653419829824113882534990702551495999519302704461533675965215819680587741595519634472332688756267763275298513949589909845312616257100497476960081862133522486604081457559498517924587297403398151705925468008081683113395026669057357287543571350586385339575479325873946984851209535007383136133773171557661851917616357256241986028014934397181720937676363897769377533640633804786741744153512459940725303661126954832305798293668658303722686593653077820132496741551884438050543672397013185015023220575398059169885937004181741289273297009559470959357986104369971842540660549510813703280445079279686552590722880165902223493503492448989576508224816492408655405069828522654073196284755804328587725552614724767200970320382284652496512817306605897849572609391219623348957474966382791093442340483063360826655674298571117819617316282282738390124558494525821458584367160372267542738974297209017899591147468415455521890414414283679139204743483480296645564037876215523275367548983124956916181712967554109364611683069584540454152947592944000139497721868869363728321062344916758070780374925890746493357695391285153726808918650709996482064773543699325964753114066448946508658815066739673749
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 26 of the certificate chain of a 1,499-digit prime (125 intermediate primes).

Certified number1,499-digit prime
Certificatedownload
Certificate chainshow step 26 of 125

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009048661560 --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":1100000009048661560},"decimal":true,"detail":2}}'