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 #1100000009055593950 397 digits created 2026-08-08

Value

1429031627921466400592227126822231994813990160236842368546333253051292061582040869283469104657162798645361650315121231279629049886384608331920592765652821124272420418047263424893805461674347431430283822091286822630098209649045990055917807473052205559525072496661903644335193429852236960667847275612197872050828616570809726325939784943878717643431289152543331792068535808663390167386774386967621691
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 103 of the certificate chain of a 1,644-digit prime (131 intermediate primes).

Certified number1,644-digit prime
Certificatedownload
Certificate chainshow step 103 of 131

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009055593950 --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":1100000009055593950},"decimal":true,"detail":2}}'