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 #1100000009061477930 709 digits created 2026-08-09

Value

1540874493191558855440617934016716553145471429682869138203325988911359925493102358285786923945514121817374827696437188840902002538734070060729457779069682312408311172367381565746281587396171519336986825804613281400193958367863414570819015858236685264072403009829604399208148325610739273068539909724056971499400113006202749583589467750877165751516863953738340897003779804680546567366615392814084895181303092538335629185541903290811545115952375671648211209826870071377067648402754507357722898130392498094246215753919378384805045165187930027004152050440017984372001696217573836153445242839985427506492292826848827279303827897513161697063564231298751018064972280191655924527054292588633300319053077787811258902539
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 86 of the certificate chain of a 1,686-digit prime (136 intermediate primes).

Certified number1,686-digit prime
Certificatedownload
Certificate chainshow step 86 of 136

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009061477930 --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":1100000009061477930},"decimal":true,"detail":2}}'