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 #1100000009018995156 839 digits created 2026-07-29

Value

13370221487734584282770939573993601547833292142183114616984917783863493633246162894360511109339257179382594845528713494140025840550961949094774787862811211773410432049884234497579554049701755398778581516726334465878763522875009936977350008634691220412737546852749141873077667523496985134902981194674008225385582241534013688382051556709040483408746127952489665315393990869638148396044847145527292703284199409846927023522756569105106043814654674742293769304009101924251056589663131553846213919116312766661222855767589497691876647570703956330997618483363156816942303069204864888156585292457658430368163066813570015119641733654562638900216178506097624113537122658850075774106929178651757186153107126895805792355075401235675517495996222299452840549986843892973107178907068064130456958668753571643325812327129498821830091826015557891532125409261
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 22 of the certificate chain of a 1,063-digit prime (89 intermediate primes).

Certified number1,063-digit prime
Certificatedownload
Certificate chainshow step 22 of 89

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009018995156 --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":1100000009018995156},"decimal":true,"detail":2}}'