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 #1100000009043895695 468 digits created 2026-08-04

Value

102124325286975758135476451034239795127464874450550937929744343084155068426200850679957068895310515482139011868807185785003831456997079900293949174825360798216071653126852247803022720492696910219954465803803262514312421623229618465274611665252657076008008404070965813307777736602825026715037512565082478663600452275520269529138669486531305093739533366073169293151131560262359750319051249451942694664480715080693264175455640785861420799840357024551107703565511965369011
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 75 of the certificate chain of a 1,381-digit prime (113 intermediate primes).

Certified number1,381-digit prime
Certificatedownload
Certificate chainshow step 75 of 113

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009043895695 --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":1100000009043895695},"decimal":true,"detail":2}}'