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 #1100000009079648388 659 digits created 2026-08-12

Value

10647866261491433799335996676763500149368574634201887270249065233290759340093366198665737856624130192102355545813066740047546932970972519378590858442126881753798991518597532356068911772562126395157540549441022850928270980265846536205274967415790883713777985814290409073427058094743482920092462623562437455479716943586825024961903341631872659079674322311506175120650777054998179530037467995863605312420183298316510925213932242367184416353429843218243341087080256789819513538248718820923078590367977197081040449062841458656953818272401611752789852044046222147999473320249207139494032187267223809209598494676739733834036133305930532990017153673780674705713158459
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 99 of the certificate chain of a 1,904-digit prime (149 intermediate primes).

Certified number1,904-digit prime
Certificatedownload
Certificate chainshow step 99 of 149

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009079648388 --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":1100000009079648388},"decimal":true,"detail":2}}'