factordbrpc · fdb
Sign in
>
?

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 #1100000009008065986 2,058 digits created 2026-07-27

Value

226925250901867882187725226371917439700256759820701768346558700887051213953573713514250960402782696299649285397848115711141839912771357597311829786035050786903637170370474235617226852643602881335381210759597405799550175636137632957846065694239409117688979402050406155631156513654242655364851454391484105187751588842454167348560602192321179535339574087283137613586216643803086895523206126261695942322340145395571468519185869767847624850336765136238267350470662188052493046057742006807342907247042611007519571278650378849939064330743307927754257966295609114832859901240417492183326523646493715291136687526377973443459973827202253842953414863144461980113849270150492722939179353382994634070717253131745745880183821398203917880720998067301763485693692251149850959343802370744300665440245779825677422492518555585970505232201970285528766278623363919722111953997334589162668958027148624103296905453452054769402808992758860716347174386434440708422556482388644581474540842713998293673163400733941761776812959070376697282380414053160654476323247755710206839393452793385852734441992800289747004547905166859877693901106509788377714240155415723017037266802355135171436392544993466241176535734995116145868858152759805613890953778090048245077987827624381222207490155608604749381438069203637394472369877002738369950098656065723218387318587759665133143429642670397878466762866834042437172646095348592881379848738360949907941312544390508568175005483586822983967579463876561546792967436887673872819712950948837101088180437201488624110328004919840765137753271794941372713947242507228741453545774610461179843438809541605196364984694979317021200994725951940173314529955710506605568314588418801116915085823227788652738706941735908673170400320724674686582091608521449942805655375829211020847812549927016124336855274989975530581082002464795524135707558505393232240107532160353924335188254904694536940285509784861454419757155273428518601001813519654925456226051588253765590226313936417849175222395093519380974976751934054351553382072025209398232446811947265688032930075423029390737977
term 4128^569+569
Permalink
Is factor of

Primality

Primality certificateproven prime

Proven by a stored certificate (2,058 digits).

Certificatedownload
Certificate chainshow steps
Uploaded byA.C.

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009008065986 --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":1100000009008065986},"decimal":true,"detail":2}}'