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 #1100000009053870071 519 digits created 2026-08-07

Value

201723680471631680313326726625197402061729982650595282921773443307216061187873770497861188210023361649715820484501281011348167634126728709578119454928309741029749141695797403885652403565175615581110058907943804546193441675653571168365746577854080360845262673296725986101240260537973322249159973725727883333405599375646546206743184663552517717937739985015898439433585404822016644627835372457459272250711389274476232896093689712225383666103680410730699818161254379909951212081242058292410806221055935697912954244396913787
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 89 of the certificate chain of a 1,612-digit prime (125 intermediate primes).

Certified number1,612-digit prime
Certificatedownload
Certificate chainshow step 89 of 125

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009053870071 --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":1100000009053870071},"decimal":true,"detail":2}}'