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 #1100000008676078397 364 digits created 2026-03-10

Value

1756352895616438637678781022137988865987978672310609817488493693627243093818000738076674683353642224868550839770872249981529604929451410775772744776923359466976500548725695943518203563280646009349655504906310947717082727620372179434123106695861522767070921803870016424256875212892952507676765125494457896901901414416011386528662060132619705955968373439485695530581
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 90 of the certificate chain of a 1,242-digit prime (136 intermediate primes).

Certified number1,242-digit prime
Certificatedownload
Certificate chainshow step 90 of 136

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008676078397 --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":1100000008676078397},"decimal":true,"detail":2}}'