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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 #1100000009048464035 1,090 digits created 2026-08-05

Value

2818752947022223541686230981375591336380621864854286202349391872900261354220385222471208432702862631618076150270880751193555337652628261061683398682167018212722605174605212168757485357417558161533794586381177571353762346514422944131717811585434754960129310884531372001020107180603156355752786503343818564462406222564717676877776741320076490603907556701595191202239549939894656972045579998747989465141315841615274328081550518833251861978349158275633804105914474813479116210077932126894575729557045979516728223253298318632664613492085951707888666285829997635587440461131844439639015961787850140746908430435655184744284378043868539620012274964973919622148872596046493536589411021196696340661612645349411357971127332039062026937409951041334736229834597772237576637388334334294444837313587199864617804320592730895532371689157550707084429426691190864342570160310288555000748055279324585463658052994132372742763668133975520291282854355726345116073203889600417529356014970762301687005250898913944913517606521549604839329164973196563970825386423613384779324935678127350376737529433155842817629684723
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 34 of the certificate chain of a 1,491-digit prime (125 intermediate primes).

Certified number1,491-digit prime
Certificatedownload
Certificate chainshow step 34 of 125

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009048464035 --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":1100000009048464035},"decimal":true,"detail":2}}'