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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 #1100000004875180397 2,144 digits created 2023-10-25

Value

19540385271356916938684222856753104572235303593415191561474120387112736635432899152051382587010799868268293639260862053149484314308536638856802282624793676431177461124484723011779445142105982851489612688838765571351334250007918679923073111747777261465629655879256348596999686506374228423052226290817165676157222739218585065024034962177111966730047666543904240826252239890197887328736055041561383659809140376171619335719702007249971963891025716195264768621912298597046986501009940802880647164115963153349426041601665323863468641369001426604608917187670601024030070702018354135837548423974544836742318546124346338327865042037335752962756618152339769469450180410153937902276689668655382808168429894437476074314159325169920373650643330014867158108771264045723053617041285837184534587726426834936837811939082734755080160834714967414607550626182196288072931998309522385237797355451803060953788488150110615293449593997230352026228519021767096981757968725840768193440673289247288505287545889906448358019672764985595949251939970833987911563118437834468252426811992312618460525779261567075857412620626692787357986340849463047435676820276371282583842027643047165139629806648768238974115998016509257944401284751651026035047733915812703345662062404892916248851833820081907073782812274830853078303027181221710114023782531373139716692276362083972465317980042678290668364122992981167741610794589629654739805259964647144464577127735715705634204118016910345431480046002314602869252009301745436715595461617944630870413872921432275130061264372580896082535470687564876048738013087935186117433649968067516301137891162762439323965945269811334014255505922093616685336627740619326974919015927056892821658257951192941556678407933743099248539663571164708269694934996139529777853820894641848533145381879949405823694625913134466456467730296639672627990382289642055624110132022084425019420168145538016987538292006758008714895648755796661851179237998878965318160224875310600936801038067161238894020272590052680744868970371688993773248978764589577842654136974738513211630788056664617854583116848748044614670743269782750381143318457892649120695575167071068483564790528872725671
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 46 of the certificate chain of a 2,500-digit prime (345 intermediate primes).

Certified number2,500-digit prime
Certificatedownload
Certificate chainshow step 46 of 345

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004875180397 --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":1100000004875180397},"decimal":true,"detail":2}}'