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 #1100000009075031420 828 digits created 2026-08-11

Value

381678689462047407138620801195687997349844300305746119871910209015937199201991150631466438505910204096404471306636201863387125324188110329440631876790426645523217588669944830295298911888023334978615842020879313038456266462314507870458907823303149141933322324569646328523455008730192358460711689879094592745190478221771274584194961559385571872964567442368222233079311048029059503495374830012522852391002820111687536088808796020298960982214923791507874952745039605288546109928062384325319112321775688894653667427903880477603512631164919815798184550544122401101398166508161054034718803643604846732723567027448463564095186717761951855780922909321144581172595490184661978297303326410817224084226363850088146157878652366281719975100582472510011990895942563836405368642453169284085302929513906342860423426226342616041053044864762805577
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 149 of the certificate chain of a 2,940-digit prime (205 intermediate primes).

Certified number2,940-digit prime
Certificatedownload
Certificate chainshow step 149 of 205

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009075031420 --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":1100000009075031420},"decimal":true,"detail":2}}'