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 #1100000009079759435 653 digits created 2026-08-12

Value

87840249578869467166948568460759182334183799649937557237868160872987538884418927956928341407566446850235536703728216364087504316086475896126568694838791509244859430698442535894588453361921334561073519608933882743756012424411452946973915592064207055988612877812843863528678185132508764052056618711422269089355725666507613256126763408695733661465375966565058092634947049850741596150858451833791275052599209591097735115148692297525876930546352087194781861973423387200173285044069504563034884933734299934603468664948103886437265590852731406760526057554449595952450333555110575058808913394137368108492072490950599705857429319312359799014911708251405510846321
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 98 of the certificate chain of a 1,853-digit prime (150 intermediate primes).

Certified number1,853-digit prime
Certificatedownload
Certificate chainshow step 98 of 150

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009079759435 --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":1100000009079759435},"decimal":true,"detail":2}}'