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 #1100000009040930086 460 digits created 2026-08-03

Value

1297959085455732612814605590707007096922611760766574659852627704657267537771448165924369885233740396624468544253942503024120593913155630775713157339507708379030327622079812388181309620629529477080359699868142260030267252182006352605601801777661619423346967045660184195157459498509669820378514589012259554393819364558266854173854450718324175961944819442188966684107353268843748414371393509893762711734586971576608008551820763410663697228966669671479987051108107
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 67 of the certificate chain of a 1,287-digit prime (103 intermediate primes).

Certified number1,287-digit prime
Certificatedownload
Certificate chainshow step 67 of 103

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009040930086 --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":1100000009040930086},"decimal":true,"detail":2}}'