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 #1100000009050562903 747 digits created 2026-08-06

Value

985860853951440838099357242686260859582385091852725165585063464092335907919958394666054479799501126469299372926052597505930599753711312117648386947236071218740147194308276642169232402134443710263822189911400054296143322173180112646355726445010478437240045651579712104246146954781623005533016916059625334282611645022229938045680915004959722475663408262675844750214549460939836484752253164882832301659713975106923182042853031231861782796914168331108912561011632592456877502505710692644842855548932152113221229047000157232605130730011112295821673185611559307475803036186873894249072106093472161367896905797731638579485434466982450579886351743464746834147865291524516279888929466148685867065059382660094176600099007894419810021291650020822837795393677
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 67 of the certificate chain of a 1,532-digit prime (127 intermediate primes).

Certified number1,532-digit prime
Certificatedownload
Certificate chainshow step 67 of 127

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009050562903 --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":1100000009050562903},"decimal":true,"detail":2}}'