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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 #1100000009028430758 1,902 digits created 2026-07-31

Value

949189367904975573472850914996702710941956217102859307095893447567968362295361133674614290904281212987157189542706818777377563039122432962596681824042897477110365718500270135647460405551587880663126619670761938582901383364636648711952725182092545490739383535629374941835580834033074592924675781664249293588973727910785230368303472159579034264681271546241814770195036379153562705948434717955529788361279761859404879912739716343124256924452549692142789059409858469192262168904312646992146793111290153514803383500578090732958141885503046700398828364738395881826726144010565555037287698124346113980916821028118853984718310046421161551323834794790622615777348906252754370259541611498304005976930971856529447309769732611256397521293193081417851348805805378112407297804932292012773349523456141594038781969641534694967690736592241910445197682848185766101080105173116120995945073661343570850172523397130234595259972476335354936781857007936937582830829109725282924971137103268693302620348453923949923144400099857029102347751783192091437295075535252012549601327672286047375279758952434204331556097454794021451215957609026624972015726956546554635091868018940125761203556567122455226485870950380462880471761304685532380121528990867132349503817711144034823541176658641363377646386537792298136871590084225836023515655422209737681283969681230442648250457675352570911945446772524281097259552766317135196633010609057129293966048858880340888751256596497933664591604752684182178376986938940018067701407650415157123696275137444561608574004893082859008103843194597264409571339884418595400139438790595670724888411501014080837949618081509272368947332151600102988653054933143822922729494246307110899586728500820641410442224114555147094826988889505363413180068432962817999957473595989609583263612381136323620358624901635920749397296491164190435494613728671866728559707879396084878283483686946652565112721831748064593176036974429
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 68 of the certificate chain of a 2,771-digit prime (206 intermediate primes).

Certified number2,771-digit prime
Certificatedownload
Certificate chainshow step 68 of 206

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009028430758 --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":1100000009028430758},"decimal":true,"detail":2}}'