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 #1100000009044564563 557 digits created 2026-08-04

Value

43928527511707955872949972296184838256094788668346708210998015983772279175867559969261354851208780689816507995718891141533218626303449149207925922461807039825759762804484912410250008609388106192576557531103056565700992225385250838081529402198196462169014558096602529727977990889179775781254683261764217717534257054660036946122040175903646164183757620548330093595096457896370141735776313802889252151378470876003565999080236963212394060697302787203243378412543344791038104400545838338546158813409269898532300699505851384383268032189685426444363943334655001439
Permalink
Is factor of

Primality

Certificate chain stepproven prime

Proven as step 73 of the certificate chain of a 1,401-digit prime (117 intermediate primes).

Certified number1,401-digit prime
Certificatedownload
Certificate chainshow step 73 of 117

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009044564563 --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":1100000009044564563},"decimal":true,"detail":2}}'