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 #1100000009046872972 607 digits created 2026-08-05

Value

1694283863794019804240465082262255516196463294260926573042231424768841343068435521119297083890371210627438950264035687143103381601824608597823441563865318929967192740518729800529243402988141158360790584453546788602457814296475744090690295118116948056154079974752368118097988220768298802624040728279757234564833451517126222421852052561036050719922286241786126198066823041512689716206197423267549397822445788589837441469873650774139677495563498642881563392091614149278346766078640981800089068075606707615343682842051071925017393343540188591999125162293152527263626811080938948547996935881804410755595203778733
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 74 of the certificate chain of a 1,428-digit prime (123 intermediate primes).

Certified number1,428-digit prime
Certificatedownload
Certificate chainshow step 74 of 123

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009046872972 --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":1100000009046872972},"decimal":true,"detail":2}}'