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 #1100000009077671250 838 digits created 2026-08-12

Value

1307591244642376498994563403110783812823238059419431362048500546564511082033328673442967374906506068249875324997852436775769412704982779809479679840187669464342249321423227141266372598957442459675156690011531052981223767006273511153949115851347205514928344553829613438286530812031891373538073100783652272485918184778301633817087364890552409029761054031996556663371995214773330552315798155870080615739684936141412071407341231306482238793370298673439987454565100419722417923498093997886589607574396819975908585148965639412068080672532544422236767343469611174432726502644140001368201396525292636866303414071353619027540818179305382028223252895317305617726094026568689852466693900963051426024131414192162633093104836530590265613776241708801548187247723881071819666182666111197783268567538051317298688310876096743083877053115697582316249578657
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 97 of the certificate chain of a 2,022-digit prime (159 intermediate primes).

Certified number2,022-digit prime
Certificatedownload
Certificate chainshow step 97 of 159

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009077671250 --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":1100000009077671250},"decimal":true,"detail":2}}'