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 #1100000009018808140 830 digits created 2026-07-29

Value

19538296225335079782297685421506106027686593347904441707361805416971092754364350506301095007652976360436964589658406682625158669603663665277438520850672894935346721833980887031300642090468596196038253902086920669304720776338828650638721961313401121106391023552125606421683820785116739015276230292446237655957828837752326144680147814008750730988746189025319241441323084149048737651448093122624891098548795125357748840368900445853578268368062051838208328936645604073230749583139912064000257883889575626376989565571765901152282137493383297814394326970988654387288927045939399880100206180348273272512177201694983300326616702343385197734618356834802625831721819356789664738182584876031158649479046809646638179149624780447063513098715171074324409745912118839340715680890497932877072593317528003086995625690272921492916075486906051289339
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 14 of the certificate chain of a 1,026-digit prime (67 intermediate primes).

Certified number1,026-digit prime
Certificatedownload
Certificate chainshow step 14 of 67

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009018808140 --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":1100000009018808140},"decimal":true,"detail":2}}'