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 #1100000009050962639 729 digits created 2026-08-06

Value

381655857158365695013979752735126145487963934289920421876606259084206663509946579720492673695105970143104314105784910073219547489023065403429449902179492659106988504281926117716909192047400587874658732436460570226083017666907390167598089308844455309763250065380879712315089186657033582714941887932044893637005994066645930828386377269508790131912611866329224071635497030135622530714491790317484363130209600782382043513849956064672468168086623590581762971666547028833304799009346375819302824332904587543914232998849868561574261375242004152267048640559780634578606041295915007358993838215365843997204657484314010044500887668021260445818895651789975186160342870703513207108941021578729374511949455971431697848254652116719701664688377
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 67 of the certificate chain of a 1,548-digit prime (121 intermediate primes).

Certified number1,548-digit prime
Certificatedownload
Certificate chainshow step 67 of 121

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009050962639 --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":1100000009050962639},"decimal":true,"detail":2}}'