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 #1100000009047455092 837 digits created 2026-08-05

Value

971923993836566193708288136756033967488228866726164485319612311800299754773400234233576152910917954464661561961012242470977575411876378211998522788289116773482684769798410484691725876256066846168225259348781014017350706512617110268819859387745054252155042093337266793733154469013820118959865263363544989976976153568894679295884909140277152816370632871075656275076274570977058994824434338996377338499978252667499836538416081137111026328725722872108956676999013329247730232662982197497422046230669068271991409622066978093193823041142849515562147097651128910280018859499911967110433735076232531066689700097625286130160059817718761719857322099027594993283446641166025028461917972631252717876786760817227794638912574470825216209947092600559232519174756627072403100709642274460196455148443331308823243642753164912282271545773197241272896278233
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 51 of the certificate chain of a 1,457-digit prime (118 intermediate primes).

Certified number1,457-digit prime
Certificatedownload
Certificate chainshow step 51 of 118

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009047455092 --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":1100000009047455092},"decimal":true,"detail":2}}'