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 #1100000009057487776 407 digits created 2026-08-08

Value

12347210239950400167403235649130299541870852842642977016160225552994088303849442099508446080419303809951433133676789594802703382626376047290696862061208704910465652395731449197970005005353000312221626291875927268061841287899062761728950879126218745230572793476491823852410883659245430018386031423687710747699018402545775292404339199093692874799352858638798846888887565020880659900003071313939193078349250247
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 149 of the certificate chain of a 2,354-digit prime (176 intermediate primes).

Certified number2,354-digit prime
Certificatedownload
Certificate chainshow step 149 of 176

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009057487776 --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":1100000009057487776},"decimal":true,"detail":2}}'