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 #1100000009018865851 692 digits created 2026-07-29

Value

51346776795240107617532259720088581639120010904646138494244659451270649361179468322262404673546554402585954495785511045227473897720203193708313713124111309852601490658258410898176851286073433478986744858156909832918147660304163742140323196539020850388353940135712074371427730618373942410447919713127673400180158427372169842748898674800098034781053661895078296640578128637858450253857435248669979598298264603310491931594087274803383993676104700259093969648150841666116346724578635169770226123336836381263414006190755445538438062411912524950974019921723623555941065726759180910007694575836177546835359500428388288965458496268560556764884017916765027350588280594285206107732041887074015510656153
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 23 of the certificate chain of a 1,039-digit prime (69 intermediate primes).

Certified number1,039-digit prime
Certificatedownload
Certificate chainshow step 23 of 69

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009018865851 --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":1100000009018865851},"decimal":true,"detail":2}}'