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 #1100000009057798490 637 digits created 2026-08-08

Value

2857533529679170970262520695674258242664352551226286329321187957793104190201453817046495730617642840627992553396075324239292738586965488337676023797723587304539311006412531251136737451566014316448026344677974764201005502217782003725143862437426153947710364704434264130092843761413899407078761773140501645553456048471470896388921810604179116428727558458222546822554291929033674242065528681081495877951540887659814844935614758022492157424304074619776300199594093424480832375564134823330459064250054001548872192730213563700582171883558111406005196488992847283956065850695581711998657659771160663698913932546761758819436096802798702160573407
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 92 of the certificate chain of a 1,673-digit prime (141 intermediate primes).

Certified number1,673-digit prime
Certificatedownload
Certificate chainshow step 92 of 141

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009057798490 --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":1100000009057798490},"decimal":true,"detail":2}}'