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 #1100000009054395027 381 digits created 2026-08-07

Value

202114085833328447372101913679606849252624593175345341013318580735753756794312224311670377786229354745454629565807483296652081606544189372712076303357833519321430996710637067166351382387679940684101439757280928234485021194583438015336363248126918570197089652355856632510850028434834848543178649473869763330416306257953836908388637877439913095962658163571610239577211616416905655831
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 103 of the certificate chain of a 1,625-digit prime (130 intermediate primes).

Certified number1,625-digit prime
Certificatedownload
Certificate chainshow step 103 of 130

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009054395027 --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":1100000009054395027},"decimal":true,"detail":2}}'