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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 #1100000009083989077 1,592 digits created 2026-08-14

Value

43771920277614034292735578411311141174913137283709664838040170500459421316986820950350881842418900352734150713817787018585140227132310959663092143253581368260253092434990171367131634131090954118186647351620356754499368991059300696909055835914893840650206333061143922549117075799322733668249387676678680648601380600547065695022342857727949121989777491445660803555891914557070991931721016407625368561269311901580912944544879966066582330023763659949132515132748540594516411932549436293490934271909913712842788192741100049616646531969167573201797770876929795304347389563749657717963229331233793777841807178541559357207143779545866857070565870813534343090967438730010649143644759602719152304674784853186482515045286306749615112201353695310974676671439545766397958847875651182447295609890530237984393855742101022731433265821523766494924947471212539094931140166370960733613456683191719277229121197917190077574149270239054407781045634212874367314209887919141505549017173791673631483398294257001531832531945310224380360741744610789309145886598798776381938934422810289885789208121565902308118972146363245671450598137432930140530744489822160156477720719110344515162485374097052605643844476045009517915016961827669779105555847075450981516666842667826813695931812399346003918555343925288096688069763028533120801827384610628901993529986851162768382060574446910704403441090963053013303174242822640912178451663104662706276521066482144164518749591150973535532948094097741337102175966486151629340265055065421586315586930020290532938733725610706623595277002685265171838386799576069223409696705208710150165678041
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 26 of the certificate chain of a 1,932-digit prime (150 intermediate primes).

Certified number1,932-digit prime
Certificatedownload
Certificate chainshow step 26 of 150

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009083989077 --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":1100000009083989077},"decimal":true,"detail":2}}'