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 #1100000009018995416 326 digits created 2026-07-29

Value

42377050312259600783449332566678463119835455313759098066422021434525315406837060331831037657322624249352338899143979753577167531624186063691295601348098219957576943102006669008585596303911433907664958071454316225854474271273906502070323403789635387396376010800015536567580826315788856752690783114527550481616993008248272515911
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 64 of the certificate chain of a 1,063-digit prime (89 intermediate primes).

Certified number1,063-digit prime
Certificatedownload
Certificate chainshow step 64 of 89

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009018995416 --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":1100000009018995416},"decimal":true,"detail":2}}'