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 #1100000009028284060 400 digits created 2026-07-31

Value

6852136171803465839483097763298446233168722653818375867888647719503396509869791455860207015820727268928892891977873914366121001206274945991886268762085060933249451985747540088965663067290699538114457235471959963136861614471473467679464041599015821987034811093282096911447516180391637686694583609649832682016270039601532432946758124121610172663511192002859867517465778598501943879497673370849918047457
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 71 of the certificate chain of a 1,201-digit prime (100 intermediate primes).

Certified number1,201-digit prime
Certificatedownload
Certificate chainshow step 71 of 100

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009028284060 --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":1100000009028284060},"decimal":true,"detail":2}}'