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 #1100000009066714528 608 digits created 2026-08-10

Value

19477769016977200872074354392482860150045474963483474402134735804410404968533532084972006909406163719189795575302600334680794492182710772869515551799395257170695283220148806664634303611184978505895580805054371517551589936644735611800918580868588820779260562507622420249787215851279092892636981877585925063514935120992386429721875459261191585390267197111573198812321029092064649280686258079546925843789581349021690313056650800409457227770101855620542828217089372663273584776157161911563335444118010404145496384599954948512280506563125097438637908222538124464972455159417070835168459841169462479933522925190279
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 97 of the certificate chain of a 1,724-digit prime (138 intermediate primes).

Certified number1,724-digit prime
Certificatedownload
Certificate chainshow step 97 of 138

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009066714528 --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":1100000009066714528},"decimal":true,"detail":2}}'