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 #1100000009050513768 948 digits created 2026-08-06

Value

628619473754201008340561975413811829350212042220119839451075106341552438100500767290030076971561290529021062715161668860598058708440106341546790153510126407161719714603214427742592370250314682337504112792124098023259919686724656544755397387910034656217453169987138624496167209871160101843577933468547782785087270638130597022852203649523219196436933039017856035769547301451522978645980012439731654870590733960992580060692742743537179748375849766795147358664695337099490487253445888721980915783742329123530803990929743680405320445932222516811198319984184318237644670864348574755765894949571466216415744487565829147946958650958627409832148151961093459972407826630361613423908931932038614551607131828316454592732249087315703211258563765390831133607991572032195244746864732254169593897667216696770796987577294748975848987880455322284177655631158512666012341362380859283427295567684100138195205543064563792602925240965782760575595397533710203229816144723
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 49 of the certificate chain of a 1,530-digit prime (124 intermediate primes).

Certified number1,530-digit prime
Certificatedownload
Certificate chainshow step 49 of 124

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009050513768 --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":1100000009050513768},"decimal":true,"detail":2}}'