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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 #1100000004895549128 1,869 digits created 2023-10-25

Value

225370042075264200969064667933711562460497728410799963062750980138031963986379093095229920092464696482836506151005761682098264787112003832393958507671609534174341762000377554190311778683679670446679163018771053741160300773576021821860372276880109413788517550807868146786433106409422466943971424281142228416988114830540475011032260264896017662486203457814469605828760742038021740112746069409439638427707733103316478036352836917628694174856645414755205427640638731991346294052927330643106001945871910017550228829476743227665100704387493389742602005359595235000622197278221329141353433056404467083419420027105925468804551604063744524577890151157001832008510548078272746990213713428180528936042883179108471874663507795136235074624531781002534816634025924341190815516011862968018416175630718510187156841844309007254036084865767746971202243994898705758139221089279097725593793582815232326631276762528727522033626518220635919966065330495766064870022667196452852022045188186264108968306403463535058101345457749504080025329392351881918489369962865040432289297793305567385038918307124038458327433091684302179658157141318624844321722609069221116948367694497446762271256977963646721632109901778281812536235745173288259349242576535636873733285596313840324685061746293685588400454885590089126019414993439170004947451943642454525497207559393508092492592657052851678535151548982842132374854075731316439790278891237460786719715644683768505222060777423037716335589131062832953911391780426873818811136047095076447236038855927458661606669987686235783920741534176067566317777677798224443991492492063852871669574803981439338556284200415641005289709265417361682109760124462399391288835060712402775162373074806527416133471383084266250253589257828359745056626569933653569902572897866389312530836615387886196044679707733109359013140691914899187656308935833084777418496191371395434790632279314479
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 30 of the certificate chain of a 2,148-digit prime (246 intermediate primes).

Certified number2,148-digit prime
Certificatedownload
Certificate chainshow step 30 of 246

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004895549128 --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":1100000004895549128},"decimal":true,"detail":2}}'