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 #1100000009028491938 490 digits created 2026-07-31

Value

1298955697035028581482434699859797295426818696125978547940097767534106265930369121734720762138001508211937223655799961677317923675890590370978853499071442840621442128453591296252810513516999801540698794070394969488043871845767930518478189490082793476905827249942843126485535113217185735764388649946718018893604739107240424163410502351841931703777229456840789163340843086678253966072788006832363577267374423347052064732185290805072306168352362408678232898667185671033196637634574911184852447
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 58 of the certificate chain of a 1,207-digit prime (95 intermediate primes).

Certified number1,207-digit prime
Certificatedownload
Certificate chainshow step 58 of 95

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009028491938 --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":1100000009028491938},"decimal":true,"detail":2}}'