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 #1100000009019740667 1,022 digits created 2026-07-30

Value

28371920546291678410090532047675741822157076899531853805656783945339375488335435864691085158338907125175949839117496978350574155970024808821942451768240498833992198825045623819272992878506336621778548542229023504876750524451476632096936599921363806726121498306798188876665499570046218556853710404310165508900760452104923977817615402927378812039422914769960095021333314474073188878329123573525318987213598111232256080824627807393915693092444877658402375572890379789517369341091339592544825125874628575828172721014227969117121099425464752630243823378774924230626691167894206376549684562521584910661909680590915259500793222800051444652755555411480686711101425661249295396965439358203519933904680421628538920280196093641114978230925321940902424173738337618700103541814391557716951784319799482850517930633597180293015181410763230950063469154527081169416350690979328284024812008867061756462017283606759166124553077520853996193349776618236810031036357599547511771398608904603539215411049258156329593242916540197180048618940347873
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 11 of the certificate chain of a 1,118-digit prime (89 intermediate primes).

Certified number1,118-digit prime
Certificatedownload
Certificate chainshow step 11 of 89

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009019740667 --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":1100000009019740667},"decimal":true,"detail":2}}'