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 #1100000009047581825 1,159 digits created 2026-08-05

Value

1251799209387792561038840192893832031149075787238350655802721810054800309585193951195681816011239463592466043442629343839502336605621647054651453318366041480867614388005151085138273414381339328427269583809681512325909702607530254662306043119884290868563462097310439471105737559441510127215411085712944586331332409894267789413643908432074169071005821984768091692027452231918204080828854793517780497642276653025695847421738685850924552274994817187267748666397540985624409895428931261541892336501033729621142793338873411922829884846505702531079505973293006395482683819615649121369520971429855643694975860586529383461938038789143360310759335890989498392864320872257677989797848327706896200283442967145749823498575208051466624773346868151902806421853338773120021952572470528822978308417397061356027217214769882161563204257403985424662611152996023983521258579153935595552131851865284588072793724707581663458641128682922776571033299104770029682455572495760369946535343352601270951282598352356717099383210668999400428723677518797922172390143723810609623619057851426604280492633445767302728684537974559757247226463324294107589947109301770177076047315533384448964281777
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 25 of the certificate chain of a 1,462-digit prime (113 intermediate primes).

Certified number1,462-digit prime
Certificatedownload
Certificate chainshow step 25 of 113

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009047581825 --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":1100000009047581825},"decimal":true,"detail":2}}'