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 #1100000008729257337 633 digits created 2026-04-06

Value

608647466821830456297952701689805492035079771645587730223808851786939561602353866750358412353884332231216371177129432526225301026468496738086669008161849257477498020387669755332373964559326522566961502757413373446014642837234598939445828177001666493426306439353496780720284998216479400911953252702200766951993857097082029966930978279948655931882312871919464635592814452088304111114600635989886842561564959593849140615449029720367809913753352662668770515248894772361804257732373201455115267092774638372384896534727535319000531910444735743219988814578960612514339749465054373272156368899228997650653175560349606740452162484202793407683
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 160 of the certificate chain of a 2,785-digit prime (201 intermediate primes).

Certified number2,785-digit prime
Certificatedownload
Certificate chainshow step 160 of 201

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008729257337 --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":1100000008729257337},"decimal":true,"detail":2}}'