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 #1100000009126951242 2,409 digits created 2026-09-01

Value

407942520748708593229063431795388523229342035504692991673410996692188047261609479947957410524446077684516967764929699401008700144311413788758960293332746178780572418060748551330663244101644812604041650246770616258125838127776344649221504220820341743029127179908919758187943893366129834269651028137633433479010367746388597329230178147120566609094178817250655684989861706058745473294309942431158712528864717422463357317294593887570412730310918051148631979484392969278027547893379462773855768244613326248757788452557844267264556065478328956098499863578155606317291750419540236348878655768641713877889197613494512446994733526056774546943818411414799824732719898003056961935059933562768246572732338821353638187921960439294992338900814197570857111756161983321411977659661610165491493797646379080142283860212655740352217181937747820912822765797743659483008566341653230975177431920728700667995341996855533984011268598884842870064940115747775777647738386618190110772632208409143794773734938808022081101256700469455903074211802754378986492736930352369842631153356513835085185486846295894434479514133241991177247768993207435832713467914755880785197023793608473622337661214855837297913402204741028331600108110541541583961380244828986024311726076217144246411801616089393440906081968841144193270984790356507258511480869576464538295234356403453335132182592041912620688537265540512440337539101290158825300471258252558656750017236641908290258962939441797550540486195926823391739851261259790633581345533083235368677099757886121634063724400869969906150705616628830979885980227861659360515973203010453191758252881964573393808503636835210530102198088329386260503478030773842464574483005267666276081982174689833109827400880960257679972400608842515316115186549370387950545813713463522230200166991010784316764656003157597409642869084943170553122995264212266733578983301576275051171491516963087470935360169204359698243647052964590940677540198626872329829569453025345212630387705601743433026811628675899409080788640444143902309672728330505750916777227132468182814096863053485437062125147156003897196907403012883609503972972553538434865401251205043566627833167738018590254122005296940961528399554821504388877285528994580768336344315190463969723380477947472416617465516558000768011157835705732491492216654739285717756749409646875859496310892815955232678780724999826761164450691629519422186753510612630587558427249743477731339178688268749
Permalink
Is factor of

Primality

Certificate chain stepproven prime

Proven as step 68 of the certificate chain of a 3,117-digit prime (302 intermediate primes).

Certified number3,117-digit prime
Certificatedownload
Certificate chainshow step 68 of 302

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009126951242 --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":1100000009126951242},"decimal":true,"detail":2}}'