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 #1100000009127305993 855 digits created 2026-09-01

Value

431785332204438767251357982516985734674592348560940895533440123895361835890656586673367634242590769642866112760140906605970301637587549062975563335880795885949029726989659616986110565781661765246337113789942712544417997465354371253206768923494443753609923428812278584376768669552706854012474235840642987365937353901507938233725682946178510289035974734962692108681646262645501835433999112563809018687456403148329510386539540477296364931246263705467901761319554915069248576427544475142845753268480368010621539714142275264488268829187891899237883358686988036252738029371656479800561090790510015899174722746882533783458378404370665172153508344130445475152083693375210779683096420896630399232031755331174154931812666280823335929487934899605671359668921404637803422505254690293536160981107679469064812549015098497562576437777932332305084645494936323979934340463
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 227 of the certificate chain of a 3,105-digit prime (328 intermediate primes).

Certified number3,105-digit prime
Certificatedownload
Certificate chainshow step 227 of 328

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009127305993 --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":1100000009127305993},"decimal":true,"detail":2}}'