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 #1100000009018808174 539 digits created 2026-07-29

Value

31927163129439831672274597914178872956107732400834999728270012629569431612785844547748052171059168611043102407846451337580044492356944007046109071869696905589916887673902169572584068647781774070491060095278693529331201435013255530686483304196145756377395002951110183234832822783456872099403920711887683423565448335588552248216574450616064833586714378204741629348575940503124722618249162538940115808746959755356409278954836278849612655107837554215179878320200646093522441436312198058633089660429012849332390638576555753580574098902415891491
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 35 of the certificate chain of a 1,026-digit prime (67 intermediate primes).

Certified number1,026-digit prime
Certificatedownload
Certificate chainshow step 35 of 67

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009018808174 --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":1100000009018808174},"decimal":true,"detail":2}}'