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 #1100000009036732620 508 digits created 2026-08-02

Value

4955421880604541478213527907588099691826171789262698840806608420600089789151943603013478206831868563081801649312407347072006380242453427254059402996358105871311066854426496496582793005316612669033972526203258951193679931050112545376505134459895061310820351578561135577446368944218933842867600766358657717743741084092425542809395971556611588708724398832847718624079247891610365357790065148517255271553255802976310670253325831140559881041863030591842225415699814386926262758236393420853578106628721753329378363
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 62 of the certificate chain of a 1,238-digit prime (103 intermediate primes).

Certified number1,238-digit prime
Certificatedownload
Certificate chainshow step 62 of 103

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009036732620 --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":1100000009036732620},"decimal":true,"detail":2}}'