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 #1100000009040167228 455 digits created 2026-08-02

Value

27726001502592184293564211528181040918674523371955343029480340656761839533964415284222510788754333310034600750412663826588428341732754785707343769214396676954003248531589638558264056017190476297411732793762094366701248412440453603188020740545066822207279257114763217871492860082311406024449450769599140814803838594332892689445058308952634754083160307175688716182567606445593322589878257681401409451388443998677869246917680318814846533492990404327851642429
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 66 of the certificate chain of a 1,258-digit prime (99 intermediate primes).

Certified number1,258-digit prime
Certificatedownload
Certificate chainshow step 66 of 99

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009040167228 --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":1100000009040167228},"decimal":true,"detail":2}}'