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 #1100000009055593220 1,351 digits created 2026-08-08

Value

1284570317364069982947944690551223236736884503645755519998300562079352045609658721909564866351564449768198972543477536597107276868596454151860865820049228421949418732848662462503243145026840870771048465076272288395623401746132703441813142272408927628846579736068804512435622329737968451787886206495590888960325756446865141616037635101184342829159412742351028931515771359128042827040866074905009065964335311747517161059917200169979903125204184859951929515369175198088350395237297640312946352593874852862515531087981305432825517045920394114533364662797377638324385530666958080505852396111898683875977717416023651436154825347839713171463483016869545247904990980569033163145522122893888452731520982974696106415630316927638978596660745872614985786251378993171145711529555189024793195258708068086041296952910036674486415545721796844057569057495027058245592644654805033684310527004024900651575230162132277538071058327927333168860716877803154588877078835871651737315998479497933882959052020125550953381209681240014689391926890541317187730303296258658234539702070361609088088713114533753794896598643104622627869196364050061397089973743027888399679458910598242831625082680901995064413083001525242946989419313831889292278890252205160936658723681001607210638023658157096947738268946928409417356965460015026337037603203259465455549774050338332954598120341733290339
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 23 of the certificate chain of a 1,644-digit prime (131 intermediate primes).

Certified number1,644-digit prime
Certificatedownload
Certificate chainshow step 23 of 131

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009055593220 --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":1100000009055593220},"decimal":true,"detail":2}}'