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 #1100000009018539198 818 digits created 2026-07-29

Value

40892661538790096126716347186232820660915419092360016932470728164355272845392476470752059677676646049919079727994257323413284716552451809675849691944127165606298926948617033524060238721945080149565479990944902192810628361543924100522519986103735958431287688315185762691991489529624657131615435909990565243742182112249293619382424027802733168590097037936141546194415295196229297362042470873841930208423614178374990187983006472443266823251550078221982814609704451000026264186818147344912261407851949062515841795798451404226687690215720898897214861588514896164774123729552628977956140576965063980918577544486600743054102940063984468417771367688853744693769735890880239454561994201157871977689031372292691671740157475361656988364258256705606761057996425863131626089606647593640031543664158795717560672753239646968680794919
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 17 of the certificate chain of a 1,042-digit prime (68 intermediate primes).

Certified number1,042-digit prime
Certificatedownload
Certificate chainshow step 17 of 68

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009018539198 --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":1100000009018539198},"decimal":true,"detail":2}}'