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 #1100000009019874489 632 digits created 2026-07-30

Value

18100168792799768064878106335840441304602519103517464990993244110031203265010477427022767556614924310530647122539100633547208665250163574386271703117774074284645787456146454708363966653594985250683584164560867209386170016251581310972804123368326939010311786909558125625168387256572073596208529582181609974351028541523388672376524972434221491795681949387881817137354144340539617460880173223905733703000293346643962896408082015408267213036833264938237257056261222082096939247068705170811881824260729358969061858594630306388149487742641578050220649305252135353023305203954608909788326315757537774439477655269652204990506818431415346173
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 49 of the certificate chain of a 1,124-digit prime (102 intermediate primes).

Certified number1,124-digit prime
Certificatedownload
Certificate chainshow step 49 of 102

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009019874489 --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":1100000009019874489},"decimal":true,"detail":2}}'