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 #1100000009023310971 408 digits created 2026-07-30

Value

201042868084405349569032397211218138338001688820394161959466863583251670631305716196164587961958163187168097331070785158732368493128957622865815911151623624844192119462685192369476593150281615478399021646775365340209917603545523813915757573821073311463817067721309835786940110547669372544875789998270177278668252445698352786488867449080045282263504018521898111387579565770931244729660035621119370428385560303
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 63 of the certificate chain of a 1,145-digit prime (92 intermediate primes).

Certified number1,145-digit prime
Certificatedownload
Certificate chainshow step 63 of 92

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009023310971 --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":1100000009023310971},"decimal":true,"detail":2}}'