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 #1100000009047821574 481 digits created 2026-08-05

Value

3810781271694255068610040432282912217203578946292592323426516658862401639442143966940696079297078164150198735882009077974410676721727283605227200746601147307326265730311198159378993031677477050272206889575267428127783124814181915093195269401058438927994538626889543838787619060504505444391385761439763821142380335706188734877315914626529101971772273031387116429581704367206531103498250667618781498307882395910394535852061185808250160292151199788425987666203207470391846294758486483
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 83 of the certificate chain of a 1,470-digit prime (121 intermediate primes).

Certified number1,470-digit prime
Certificatedownload
Certificate chainshow step 83 of 121

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009047821574 --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":1100000009047821574},"decimal":true,"detail":2}}'