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 #1100000008676085576 619 digits created 2026-03-10

Value

3133857262732094434544211389796583785639767831278211186444716331332998497062997031377660148459265985158371282284092636105416526799324100287534611499894749824359752757457697269916062156763118639526249952819263290230531016614781982414240417198321277053187750388925447825254454398348951604788391097225885786443831670877066900008901104226184646932095894401084479628678117817051923310487655560004936741286958771842152617203297253432836268958384743572475674330991892299050637025194280476272204165543918303101571475607107496715852192907708255559190543979506745297191077744640005766077064578631587718164645873201332509839147021
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 67 of the certificate chain of a 1,250-digit prime (141 intermediate primes).

Certified number1,250-digit prime
Certificatedownload
Certificate chainshow step 67 of 141

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008676085576 --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":1100000008676085576},"decimal":true,"detail":2}}'