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 #1100000009077203604 643 digits created 2026-08-11

Value

1304343243252979994811903664305019276675876512097301363012856248296159422003805700330536272766459635096418657915310554629468396097187050548275949408905398266730634993686522551922490384680738018294462309368970987970762456102356926223408542995403945006133282755486622890734945809559852122097842714884909551933168411978513469316313328162332666231807730592820973635938990538075806559839444937741405351636569804251102535401568733114524540708996121607860942250302007431937544076299126845591874726314322699437534639939691183152183409629729256059805997955778963436745059069755299697878876681764883801554435782205184605644999229358563195380843798794637
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 97 of the certificate chain of a 1,828-digit prime (145 intermediate primes).

Certified number1,828-digit prime
Certificatedownload
Certificate chainshow step 97 of 145

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009077203604 --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":1100000009077203604},"decimal":true,"detail":2}}'