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 #1100000009019512285 395 digits created 2026-07-29

Value

15798242285680011253601469888036286802030748145395003154720885189837066175954662533109384103980161275373652170505190023846745284617377581913873930276198551015622075337019296170284990180558783474726787686009858331342365844735841228091815244411082250653402216114629673316581183060716327542398475934733517473065986639683857167800139672850490598077832266626733528454680788879249538181256190766061657
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 67 of the certificate chain of a 1,105-digit prime (98 intermediate primes).

Certified number1,105-digit prime
Certificatedownload
Certificate chainshow step 67 of 98

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009019512285 --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":1100000009019512285},"decimal":true,"detail":2}}'