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 #1100000009042394479 686 digits created 2026-08-03

Value

54084814221451428970734540476218051264571482788622696988495083941675815242751972153363097283084273906105256350158545312484963121986920222781363370858681146625553993195268663743001565041601268819542037940325123858161306698556587482421311883705044411806871029923131394023091007084901888055215799603719616893222930414900829145218421414068414892400107679357617577639380337035382847009273728742232043408518567906639376044838510386650909471552848786863066976542736834810441489725730886150358229797988102845964787044151649419781845471429921470007893911170879716062698929377977289738614149754636784429717369587810923195405286725751019799546994070895721043396314619864154634882554173837317638523
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 56 of the certificate chain of a 1,319-digit prime (109 intermediate primes).

Certified number1,319-digit prime
Certificatedownload
Certificate chainshow step 56 of 109

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009042394479 --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":1100000009042394479},"decimal":true,"detail":2}}'