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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 #1100000009047545727 1,249 digits created 2026-08-05

Value

4565458616725627301910323059101307466209888517543401038894680429148192965368001361861698194398223761645467509481115845174849575215715714456828252029607982175144542232120931371996751776632073173613327516084772901341729571998838736564732022303599360232029739078508031661442738064513596108214277547025285963168795740516935751597488329116313902195571645226638427743054555453374271347104949069313534341737048578517781002468105720680065032888532762558871963970766865578309589199772047271946137325673612521808613200751183707550790585018331163279321653498620135473242236602633983371200589891458600235908913213873323819490028307120953410374334791263153986013163854172471326920892349472629036805281291580549812961615639798220202622197410530071926661534604981750041388837328971777021379711358774603375183550044374737578063306658576288708042751782853995321255420574088721042578754331420110568328718976981225576173558788009032825039276685582403937419228055058061980767465302083945608412950557674529291032183130095847225474146008669564409749193219008736039304181209139841515516173263900235577505365614011306249135784530288697968570746736828724480128858493221724045366046947095765924692435271983679147778471580546374101769470924992686811012717105978815056993508101
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 20 of the certificate chain of a 1,461-digit prime (122 intermediate primes).

Certified number1,461-digit prime
Certificatedownload
Certificate chainshow step 20 of 122

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009047545727 --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":1100000009047545727},"decimal":true,"detail":2}}'