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 #1100000009047545888 1,126 digits created 2026-08-05

Value

1587901120544868348621472488873806427333981786229319397763365123213027947671466573522066098271105726554357118501710004913688456276687583016904328907501416155330468670579047530443406109925711475851392871117919312762900430775985046307734653854383857492969927686317545698852877476162720870156855773248117048723327083242150235486061022019663491597255728982294295773886839704372094291596621787828130005896746346805155662446555435998668477197923064973146907043159117270450938489718443179548098011379675827416516208155213377588032497684552768143960614592134884462654714353573546629774097518305525598936385794891245531445604994786047137249034092581445069194459045381319567047611243532157218597930639907489971827859668518115628932366644722506283622760229346912116362546559867329869493058549785003269981801855926449880999486744537379968530105232177242411981823988028645009000693625247556363367689059418474308109417385865661484910691846518597913657652892724147564378209714165801351578001639745341846429804477605983521581924817221331542667782068973050573250231463986010239133751881045377861063790064282640027799408224175476640273047924233
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 31 of the certificate chain of a 1,461-digit prime (122 intermediate primes).

Certified number1,461-digit prime
Certificatedownload
Certificate chainshow step 31 of 122

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009047545888 --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":1100000009047545888},"decimal":true,"detail":2}}'