factordbrpc · fdb
Sign in
>
?

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 #1100000009082543702 1,040 digits created 2026-08-14

Value

28485218819878768489882648200725696163668664719385748016390416589430411495981305759157742959845893465369446132126206170192389497406473880834078648387932846422645520335833899136657018957261699413718348841252745405852322349504022985668949770182644923957560899373591435926132973871092104635358042949060348347200272120105068166340426763707035523884641068783565591699598915572367258051283313831641409484236125327938452624950701610384858330886021451145737281212906411776326525734178272628433350213225117949122573255166947694442462655532485733148305799052502790286928533457708010168075319164252612291997229197536378761383708132488453764610028958178201526771329789047171823913317731113513334181233711732843443480875797465706584079141553402452641781237698220800506348373224351400563305478574722246666159462701531466336586945536181083483914508538902602637595597602080583542181520439544059827901914464870431879769127201513942800942529463553724271264179547554774780890565653990624436432182913781208929546023723156257413078810881400495240357259286462511
Permalink
Is factor of

Primality

Certificate chain stepproven prime

Proven as step 71 of the certificate chain of a 1,878-digit prime (154 intermediate primes).

Certified number1,878-digit prime
Certificatedownload
Certificate chainshow step 71 of 154

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009082543702 --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":1100000009082543702},"decimal":true,"detail":2}}'