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 #1100000009048464251 856 digits created 2026-08-05

Value

8447260774026076443060824802175382665224048601395155152235452323007682622325346575661445002389260578626701216800841897812457546401914894003944461659849841368715369796801798757248029043242362442223984929071430382730097100530175428098351484846438502140507042752872429323082956513705438401117346972093339245275993529379360502625265800839490553483138371201174339998492107077131672379046554247306927315728316492838939268218709102128063559917085946492987493912379691957922293449359904843762031072849262345716208428487150789631176220360032354504466448600617704637103082600303911794565399204764068679527802141392237487696919955398160674997434562629651286867376137628119697216174191888005396914366496185419266053391340647703067097543461646945329441379637749419170850299269508226162678649209533719260188075653263410895610077401478039659927533832147506280946889123519
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 56 of the certificate chain of a 1,491-digit prime (125 intermediate primes).

Certified number1,491-digit prime
Certificatedownload
Certificate chainshow step 56 of 125

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009048464251 --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":1100000009048464251},"decimal":true,"detail":2}}'