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 #1100000008718455298 591 digits created 2026-04-01

Value

211011093930587962860096374378681059958674648870674278109200676727303997672119856674804353660662327502518405893833226035886270523756077273988354666437194974195215273067105038642990716116375670134230970358919314783763675704054566600882140177322790809094907808159472405647939812808429417280965112515003862690675468047155646222204933125786059687668113269431453710815124248680886202709634411140629756204008353359694557265021222974630003944147833877847228382798788368892670429737956778473490286323017717725068608526131149822457997244395038869904153825310394120190745927267725799101642075037931147
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 48 of the certificate chain of a 1,123-digit prime (96 intermediate primes).

Certified number1,123-digit prime
Certificatedownload
Certificate chainshow step 48 of 96

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008718455298 --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":1100000008718455298},"decimal":true,"detail":2}}'