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 #1100000009018539242 703 digits created 2026-07-29

Value

4158302668145104729977618406486673839496621802329017202950963397454720862441257077221251995510523176062372129531040115037441182463306184522897438018301477761715636537922434035618879883973180919829459782333721342982755378719981464183725916059796062110795970144237220920453902070757642138024984830143324052731736595421196260892246080767488833326637962398507908923581793824123162004815346703651116959300282561240342083879532457067659209081030898816250650468165505172283415620443910688987900828603542132864295985760416165865547667491039139629275886880661750030420118158310777627177783616206128266724119537315718886985676121613638669636189426802933179117944838354634031850562477578948313186144152426166938171
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 27 of the certificate chain of a 1,042-digit prime (68 intermediate primes).

Certified number1,042-digit prime
Certificatedownload
Certificate chainshow step 27 of 68

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009018539242 --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":1100000009018539242},"decimal":true,"detail":2}}'