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 #1100000009018917540 360 digits created 2026-07-29

Value

416257777567946220098237747060421930345152813672737533216256953157238189831348247052873443797665168441623531393805169657801626825082850738743867271167742920813332267687509308257624036019024193637145235636327920513462947018672923322868555556549213517687809807199822469562825051996116061012098942915038861895268616699233613868640277311599135960661809699091756169
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 49 of the certificate chain of a 1,049-digit prime (68 intermediate primes).

Certified number1,049-digit prime
Certificatedownload
Certificate chainshow step 49 of 68

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009018917540 --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":1100000009018917540},"decimal":true,"detail":2}}'