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 #1100000004985343891 660 digits created 2023-10-26

Value

221829406487815260243684215606307273930048742978018480980135997448923516883187734199789985639690106295120379250263116008074363555872574519258528215773757530758893570850642568535998112242207004972450865925417890308166436853185257179747700516135286621640888453888163093343222245785007995704733573934534658935701263713527364206560156146681185370379039023229163375826336208243575122531313069415918923270517214301979888176566947000407377399944463464814314896972016943643401941135847199561665986099160891578099081347574277838953341839747261031104444577259028304353111101308681768332133348729337361342928945503887514139367505821663307219804319483050682908344215503871
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 57 of the certificate chain of a 1,103-digit prime (147 intermediate primes).

Certified number1,103-digit prime
Certificatedownload
Certificate chainshow step 57 of 147

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004985343891 --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":1100000004985343891},"decimal":true,"detail":2}}'