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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 #1100000009048440102 1,102 digits created 2026-08-05

Value

2431365263954409692820971942239202129084977332151675746497127733456555108467409317014619435640698169405306901355498904612911333867412545397819828852666138437870165117001558404223712541639881832165308996981091943374342649135743312197258378586277194440488398808339593624711759898697748658157484575167127890593208199213885453388829013771386933564366682423513874037913415580885742449307905929180164197029618363304828699640883807667731764341543035802613880510745969398012244277369398483120166841759124793013517993356227756598841034064748095847524533969633395116013208795949354025062950495266730254938459134532507172389923463035984287013238359145469985472333866287277737317308192373067800685308737676789395257882234423042587437393771994312888378449667795641072010817545424167053174600476322104839257432445640902678466981533181888583906734806648219247481606674207179154635118291820566152188292757199049823396863646098897950758490587097728657176181839505487627963709707525622271752838552743799760132278559628763255472504128554613610689008991725570785543231477368037667499458425682819884759693230014566816186909
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 38 of the certificate chain of a 1,491-digit prime (125 intermediate primes).

Certified number1,491-digit prime
Certificatedownload
Certificate chainshow step 38 of 125

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009048440102 --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":1100000009048440102},"decimal":true,"detail":2}}'