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 #1100000009080377750 812 digits created 2026-08-13

Value

99370425216801748124841045970459582983882771288150051962403778193982923481192575443550478775011618977875850205255776951281062157971857915155551336398928005267795845181906787480830053882693341180059702099641950897257819998708401313740742345810959986047773433268975041814427984970745534859412470424806144054457449572402176604292425346589608782972122446754189708562261295605560218089150859710097315558388244658845697585950328901887769012476416734234586958035463622585059511785053356982389223245043168188022733820182687202616388361692653920696074215871869665231482402785607893108220491975788049575569202995792067106268690266754295983694449503861300844806354163115228368588612138490311118106933176386878649478520596200176484352558666789387848269180613383706889185692502419766055422455480969696290692860754242476347401
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 89 of the certificate chain of a 1,871-digit prime (148 intermediate primes).

Certified number1,871-digit prime
Certificatedownload
Certificate chainshow step 89 of 148

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009080377750 --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":1100000009080377750},"decimal":true,"detail":2}}'