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 #1100000009078003670 1,369 digits created 2026-08-12

Value

1402961990401957748704877889911103775219212453520777229039570626814047013684416460506075332954626865654172008502279619509863048055515056685858826404538197873925972058475869071286436146939700229277474716109734644727716354192481697796429478454039522432559474970888158018499874595111326084472295445965922916859137847775539271369822622326932187253676310837451572236925020311293687785668543578390461269785471739278547713726300627160771549029941199760063931712144139146149316407947424745061731896389140915290677592047376494040903291523229282083896804941349169029294987737064562987776279853536558262782355332734303063793563434495980886196393145310175544738167755014673778672850177856773153002578107021994251844206084819017448520511198538596573767141959168055086101123144942760632611080034580731607825481459879809435552172554594552370888094304102221723233413145819463257565503006589090006753849827283431399014667398322427921601380645159068752693880232146681703280383937196380065618163477036237530447952628568406939849083896687114496698122185266175200813624298908070186053870300229483701029189275451217205915058175926330525990069708055022309515432758461707147413181490394658910093415134083195900963778203915216537631566429272286015149893652603469963625375984118691152354571518494065322334767598546682612886751592097476566979819322286491799907340566905647552632125187899463577383
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 68 of the certificate chain of a 2,145-digit prime (171 intermediate primes).

Certified number2,145-digit prime
Certificatedownload
Certificate chainshow step 68 of 171

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009078003670 --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":1100000009078003670},"decimal":true,"detail":2}}'