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 #1100000009028337912 728 digits created 2026-07-31

Value

99020110858858669452153685497265472398363609338803517172983075720124682275276524354762765160461448855272451230265061017938604489483722541691524129667350753614010351532007752280226265127889859710983722833118214136464714734496058818146960395209689078822142178953645578432545953476650718068345759378425244058645001364086485807634091031882809719101314923517485306103776845270068273123257720042784402915778508049279424855659432856199336819627553773837285793420845762273189628061063582235357702642418604849545292153094509602844290009199408362099545420075048122792515641058875768272523756923010128556186667933593571840497648827972309466990771777718603039100294746830888071305916322966579602856621222978991000300615574195756909031616693
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 39 of the certificate chain of a 1,203-digit prime (96 intermediate primes).

Certified number1,203-digit prime
Certificatedownload
Certificate chainshow step 39 of 96

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009028337912 --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":1100000009028337912},"decimal":true,"detail":2}}'