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 #1100000009048464452 587 digits created 2026-08-05

Value

25791655909572681437500567178815733505272193724502095259076275404871873683571233249363889557622606529448916625016102193993706418655775284574013994894463985563998130040767068067966167364753976563242844489969642136939549262176513099722715822212609286953944569770290321866619290428118710449932081645147853684168124883604163977575368185014759981609420252002456819131917508819497033422686545104108993247695902369154150275355724010320543865074354254234978887723395706920056054429579428380969122303136880907332482855667815322497989410119311381886054269630757089048917975465066829402028940675197
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 79 of the certificate chain of a 1,491-digit prime (125 intermediate primes).

Certified number1,491-digit prime
Certificatedownload
Certificate chainshow step 79 of 125

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009048464452 --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":1100000009048464452},"decimal":true,"detail":2}}'