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 #1100000009084007857 1,114 digits created 2026-08-14

Value

5642662729808699082481442094131973673950855590693161176923843491691376881058875430434739074887277237741123841043899643508908933030450603668493639848068721292776354065968379233935250125413815142090274488712151377408108441226198408570126217627347423575876405949052933461160678719594667456460742647931693941579978763538218500220706463602065996768768189847169310212628568703919029310328066376761586905212865591273744776055947167158096130491168027850135596978793808096638030455413403304695077136008812539996601918713742323812044214024235638663649362432499150971859738263021469879943370388053240882798809255156038938039604451669645367383243402127104437858338953427916717972247757111605550873594242029691241760766456330532932016496173658166325560746929522980706673274873995602697764747735751714239987246952756424649214769892583441123202871757363537316654611968153803460120382347323137132162324315840923160425358780589566354240105442601809039354169853281374665086613163965418485253928807648296939259019413167301826069536914522325726985166164756976232837558389159955494613023437589422220678203671957457862035531382822092419
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 65 of the certificate chain of a 1,940-digit prime (149 intermediate primes).

Certified number1,940-digit prime
Certificatedownload
Certificate chainshow step 65 of 149

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009084007857 --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":1100000009084007857},"decimal":true,"detail":2}}'