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 #1100000009078199986 900 digits created 2026-08-12

Value

171053977137686743064822167776129208678513415420944451908353239726926761474150161329767742045511377820590609311666196320729908622348768253530721049160381311162203121176819422318912839296776593641206290624829023524271599820023907722701062279167338453666837485859015506743614852881827865168343528616880506188786680397995729856421383795686665047229226726487354335221539186119411195719884717157744340443272329313338284508130737566784480803178918396585334220468997839717893675248194314393341339748745102883149029343691088672334063324228300567996336352727467070270629934580758905699278725254626840047472389250701707604406121078295517861547717411470470418576680615483963972690032796074474500386119739455386814483580375237969499432695706943507583772252568212409786494529972987417710845943778963007693893673093398408108746307734784884083798591437384458984344530195100214606958940573747583652502442567896866353
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 100 of the certificate chain of a 2,146-digit prime (165 intermediate primes).

Certified number2,146-digit prime
Certificatedownload
Certificate chainshow step 100 of 165

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009078199986 --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":1100000009078199986},"decimal":true,"detail":2}}'