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 #1100000009080780284 1,381 digits created 2026-08-13

Value

1931331672659568753522815191349288603170454061775932186320664487498691270389653560945804273069235865345023694530942028574972508328940417885604877485654322601678411094392700464395381711723230193974357852839620202574137381142919549390492381299005998300116632683906300288712735952800053008713861423704933614645907979681247923496686484340235495361523063899171836375412569876250944911431921586057837141473183105365024391082866990434572308683169647150115540600903557583202935705583603470498279464347589614366883737438198226288161798458328376633108792641909319374315876634765907086143552065109442208481101556356162305762552331044051602548675714870871566796169964028936847029034653861769464188837175587007898329994007512454135946353611360599827017324552834170713700042519773593760761791211433919840921732206651515322563885508110238865245180099844093673908772928397484129210446996255157929612511599508958462820115716112209177189345971066152618194773301687705556912074505053855794740926412903250576218590401462029691799427226308717392111676066562683282820784760667203284625698627589024265812586644441552021723629373334075167473492452917464398012543811738115144387906523217252020708651302653369416281491714907736027494762871717229084899331805771156771867655961850712071223189684150592513386552443774603141997197320131579196206487027739744518020731293167568596805614399866921675840889641238019
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 42 of the certificate chain of a 1,930-digit prime (142 intermediate primes).

Certified number1,930-digit prime
Certificatedownload
Certificate chainshow step 42 of 142

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009080780284 --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":1100000009080780284},"decimal":true,"detail":2}}'