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 #1100000009080279725 648 digits created 2026-08-13

Value

342446329541831918574730886161746731701546262549185338103120583173454436761971061242715638689652720191272651376434416155516374698670724093253357289808877468863709391041861317593077357741481776510663559727923383120281682574542200302628734695548354937078494415718667395646091970007363656128142444699021873203676845458862205013091601884637636850495799584736789109763171974380683862112000945668696354896748733360859993716327475037308651901888736972252355316701987641247863183869026634600923241105245213803786888398981632785970177876913724282533184128667263778233421811720085197673229614559144496020926456006495910323081996184543780920076530724609796979
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 99 of the certificate chain of a 1,868-digit prime (143 intermediate primes).

Certified number1,868-digit prime
Certificatedownload
Certificate chainshow step 99 of 143

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009080279725 --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":1100000009080279725},"decimal":true,"detail":2}}'