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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 #1100000004881009861 2,361 digits created 2023-10-25

Value

124166221315841881007089665247842516823844746882707959123706132056923010498875708321597673911930566706472964866718038547984129273103914716004033645150967546602140489042318149500103073999494927337475844857625792367620711237227589486300540459964930050291869670022264401345272630534702889268800650016576838043759784908691803359325194715112775277778585868454617157144244391745925791650311292861702448766991013051179676307903021288466623404319195967795997997389989202285851650490829415494537397034361836213555930198292782184311950667654741301444342233580327199177506128133845117579115072682394722708907397422986245648573050218001273801703829757395502842841187216263059754711313410184079627157097749533946792089248892698238963380313908018770517671628426349458030076557307220996205572329894475004078001060822380636410374345379286972405110211501893361420480393410692314526617942914337740305854828948241360377165388787567813641147857414628462213384111348888260468691113103461582479791993821635466730736248736717761291543491881778072768002491902887562063164157676851405840778221315157958293636294714278102119693758186968601921192762072021797265579710944337169834567857221028935072269478284014192097963817248586366744815665197301458115732035206682482681913074417122763998298766845934850235417064052130859667845897715254699429917437051940674534643319772145035990679340461580355336991058230779151342445992479597262323304556804543543124173367873861346369922308865974366117284318384322873047748367553398926049313297003571554582515682368077059488851113100495742366912755975434546367830757810731601282229653917645537287989428668494217064567962609611886093496731194619019091567806963270990923848406439994036587793031946826320208307621626563287593404841320093754365481966685982109972243306733629003727951740601122623932867770948894961357264667008047351397369237719624483098395676534636234705519391707506993026447397499320730550476237771652709991073557859282406395386164008869992968086050231070801872067023537871688211366071474299573999469030282756395082008067766114142982413951247830634256271387487707860151235271635378605768034224292895757388684084887294002969027443693089599156357580125980092239220720123388742131966401269985467065387922711540785728695466304659489217321320210556460764295371256408312413826859676783704223467310992040419639697059497376843573714583836510461960459
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 3 of the certificate chain of a 2,375-digit prime (270 intermediate primes).

Certified number2,375-digit prime
Certificatedownload
Certificate chainshow step 3 of 270

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004881009861 --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":1100000004881009861},"decimal":true,"detail":2}}'