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 #1100000009052357661 508 digits created 2026-08-07

Value

1880721215665512383490248632133465231476202249343063291929751367430249707285451429009566196005865431188209215993988115741695313814483900273055277087984356136669908480059240640108252517328518018496127418383761684285639993120592051876790037300271421289930817260134299740881887545150477432662674469356363148634773393864559557261280484172351075999833601041476508092191922036769685039885517241748875731291460091269579383924420722101901290090924758194485415191916238596514308629323949036073771382693608872744226757
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 91 of the certificate chain of a 1,586-digit prime (126 intermediate primes).

Certified number1,586-digit prime
Certificatedownload
Certificate chainshow step 91 of 126

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009052357661 --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":1100000009052357661},"decimal":true,"detail":2}}'