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 #1100000009060671265 921 digits created 2026-08-09

Value

420931428100434967199908587717637034888300811626267555302316471807420973748244261123433788961744429104796236229456731050674369380730117839787856115525297497388135238915164557393207137997304979047471150233325910935891772308866992333222066249286682904728130199089549583191452347416092996511079944545584894465542182669279891295028138909808911631298324126066002753064499004113440500926621572487165453698301053260456768894027376167365679225325163480562540219685636239418568592683568282160049459433935290046821912068126605088051955912294062337583733137126376956416052285219295577386387288784868358146769206718963803231404693021686656843165184810568429126248797731977292614713461222277048462144828205725549240205307908109108699851006670727320069888107101500198322188117309983702253164442302616195966211089229023330923328589408894740542080732376844410006938148275081116195711692427074615511489989710245925123569896636542993552699
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 125 of the certificate chain of a 2,616-digit prime (194 intermediate primes).

Certified number2,616-digit prime
Certificatedownload
Certificate chainshow step 125 of 194

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009060671265 --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":1100000009060671265},"decimal":true,"detail":2}}'