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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 #1100000009052398157 1,006 digits created 2026-08-07

Value

9939771315494040717538814234774351190208888654814428025189689130301409435734598627016380938966369270923663827404393491268687148261210534734009929820099635502839275333803194716786685243039505774341963072794570013076852482179877456389969376153288434260833015934306422295987112331009424773521130248938237840473687377377653311181709058295850115840492322191242968996612045689548110640119958393741521595492457142957202241577444128673835042191958841414161950939987366559117548818072998028909792305924763442569824447815532721536726941917373791513614500855016992899227371356986028429078128376240896269223514406954327439354243357812104191662957263832503363724498410599784759367439652009612759105605922557580473352589475371513182681188147266207413598910569364025966652986513447616624059290822396096164804004284657808132283383815065961318105741784483173289852390578539308468311398195112546882252003795868541439317046380058124054939000439122376443278681240919630243661386506426888720288898488753515036764321790414106651
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 46 of the certificate chain of a 1,586-digit prime (120 intermediate primes).

Certified number1,586-digit prime
Certificatedownload
Certificate chainshow step 46 of 120

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009052398157 --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":1100000009052398157},"decimal":true,"detail":2}}'