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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 #1100000009046904831 919 digits created 2026-08-05

Value

5223751620019162640871001021656931555294624075744085174508202419722922324133232033138364715592265325810275507198505703701167412535183241356072340961782575608235313046386270829882745815290811266894369598180827098244597263115829580933057375114001747987563698346246798308088985572011828564431398266740175597124454902882596452894909169441755938551954789387584741295979268057128381776861099075604921639407545327090656769594790888921419373096750227886220752226887880986259663425283366429861176759139342851396319205020427649756744107740972961620603971768636484216884339424827796238142745129686769401018885083141798151922884060460798054494991782468538267109930940767465735245309166829360652385841892618602184882403413061032822954544834369283425929532808179238462167681942801592744576099156030862011015712288729443126228293838229563347142674476147475175167224842512237167673344770760605810487678420784614300944848323259784714957
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 38 of the certificate chain of a 1,429-digit prime (108 intermediate primes).

Certified number1,429-digit prime
Certificatedownload
Certificate chainshow step 38 of 108

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009046904831 --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":1100000009046904831},"decimal":true,"detail":2}}'