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 #1100000009018808124 900 digits created 2026-07-29

Value

668046493027843237031156939999130364999015055636727980102295289154869152761257184740135788421022486856724140157271786555106855036570518040177267856801081026963801207684944082299156566570923424211667940781921168092422946872247499103422131756309316679989399738500163717845780405513648362228909059553225105057705505472141936744736720922107141206755268066465418643734907330956272643023036077669459439389861033585613632631834759956738803915747973294966267119593328973402965853442207039124122991790010902844815403230059929058886962034248030074841313189247198971319284371458133423243822920274349744930746000983264686150416916680633249662683103295970602514111783097659681060841721847028350311517419932831819442093492686578394956727814788057621157465614175190216410398562319930909246000664972148155921575709613212946175078044859964560616910339218337302876660530008800833853132334130472946745961644980146991499
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 9 of the certificate chain of a 1,026-digit prime (67 intermediate primes).

Certified number1,026-digit prime
Certificatedownload
Certificate chainshow step 9 of 67

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009018808124 --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":1100000009018808124},"decimal":true,"detail":2}}'