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 #1100000009092178255 918 digits created 2026-08-18

Value

406434916349099144080945185743145662936882838424301161828195128796006251505967558450631256001570565348856599496397070532970341724174570566259015521010428388875113476828454320510583795145785941561751356924985670524840629877340998945785690155314870962213755554726727879799771891477324548534461609940041436928026795232224701194457045556116156979325376133134023254075621880010934186599643267141804476295441871837427076096360911648551037449966039727749267231206535606086625808979965051896542215155044744759224749055126438475488712277297910265517397303549423365404510508323701086111494639961039412402227020122783734095519786996385638669230059459728169622979307827985701130255795994016967745248551189568600254470148519419064184322247763902611614502130368853294264384000132341191787465115949855492199025680399095833326882365103383265230183012470357401295253737581394269499995575109762017706557545264261520651454775012717724033
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 97 of the certificate chain of a 2,097-digit prime (164 intermediate primes).

Certified number2,097-digit prime
Certificatedownload
Certificate chainshow step 97 of 164

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009092178255 --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":1100000009092178255},"decimal":true,"detail":2}}'