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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 #1100000009127305638 1,246 digits created 2026-09-01

Value

2378549532215152897823063338978578130746510451513870140347907103176893473982077248836317427788461005335245528336209546781597397673163761205029277156732888866236096673105160558756756200627701856805477708234580367641674445896476771682810183385322372482843089368438551835965821977570150965979939219401175185782824383054045642835083202910388921543529659579779407097469348580907569728569547456327314864748299864630039382410317740660142630141335106211069908528552371965397559695282096272942506682614527703417393603394670326321113425668393990754037865354820686523592627576812292287507749945532992684857503617032592283653833398244162127320919990390313042568518114463595179913186399339514071131278770966529767858985684030029803390605925076471632238449620234267551372031715818954665014037320953140475280230978901919873322511879903351170319499310891911375454386045599367958935211376941170637225435837017613259022333388918464220264901777055196172384067692448223559492610119914363863708492068052117797245898544736097689409012093217039547552896337300284631589202649444446868445699688402683774483432871415573280998871903591645514213238519753491266749865851117281001696640557764282418640522378417027351411566092260034159166711751653326470320262134786819086716501
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 184 of the certificate chain of a 3,105-digit prime (328 intermediate primes).

Certified number3,105-digit prime
Certificatedownload
Certificate chainshow step 184 of 328

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009127305638 --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":1100000009127305638},"decimal":true,"detail":2}}'