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 #1100000009080418409 1,349 digits created 2026-08-13

Value

20655778039396314294253667401411496064694958499340689548855264587911303899391327072668347512716956439957379358242713443605817722789166295297571721084626446817410685499568283529299370645622971602794626527038089293540725153591912848327925083987934157109129495685076580533818883836712480602313234709916636428050213170999992768444466575612462715054001989863006405318113436278180529340860202141351055968260050129935610636374665532595688734886803801087134784496160114778443792706443172977706528125182320113649966218117313501453396782565714519122530603042428844106750838419697576117802518320774846531954840037507264938224091079356815965489452846149599075351650989760820972817147623411598003335498486404042111806417559807151763690931993305150891005895410298027715309131570679954625549335781798409065889225870663976511262257254499255456696154595882284160455459594246525549508427684373874163041861744128530485023862410525846000932669372184235953037400950354540293868019304833087067582608887143276024886529227407880938948898263295820186444602551470722982745124647513882989333938774599301132485068571729186329338481505256848313686343225351813650444716325113697515799525323496607328061716866959992605876005901202376503653723893198174078978940903563737643524876679547784386114127992961788178169329934367691352981800922966585321174725369209397699017250121842604223
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 48 of the certificate chain of a 1,872-digit prime (157 intermediate primes).

Certified number1,872-digit prime
Certificatedownload
Certificate chainshow step 48 of 157

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009080418409 --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":1100000009080418409},"decimal":true,"detail":2}}'