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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 #1100000009023486987 1,058 digits created 2026-07-30

Value

64715383523632524549411648939215614653240769744987828449419126377736230890572366652978054015556529462266401402590474198477729731951011663205906617649450237749495502963412760283603589822739721323541721877089199654838266677271664734800101901424679698622400098496407459783366072835238683803276738497441336748443336310224945045244465024893017469021221853563061879310305990919150053524076145120338111890947104455658172777732171660897243375422142291832700948891315764672807136844678504449246080255529029601484949301453804251282945701360681913398349454974085041960940850493691977801192412810933653165790099225269921003929590708301178056418722387871732079815398674399488725907933254629768850831953438023396561220068996110114594964454849438047531970139879728220313000392632130787129701934781393678663131497192228436643926408807084434233576947912655667003851230294119022149197737734779764952424985771654387139489314751110868112815306913848265762053952524958428496087765662112656445594939129812576229618439109017958098603022413224542898133840962565586669797634304286707
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 12 of the certificate chain of a 1,170-digit prime (98 intermediate primes).

Certified number1,170-digit prime
Certificatedownload
Certificate chainshow step 12 of 98

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009023486987 --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":1100000009023486987},"decimal":true,"detail":2}}'