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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 #1100000004871498920 1,892 digits created 2023-10-25

Value

38463124596452149885028201766774144791587698352425076465463220287646848479741190363067501323355248822570730259163372440717489149414381599251784933413028729321417906819371161618704132673738944183944182748258204425933294023326865092525667620441769324234823850125017758017219957647919282707677142355147154265748585713082228117824166643146437975863176621235150800979229040052079587203132791889272367711955561926101133525341450569571499889611825138096162569722283420781731792215453082689991487853027078128432864401383315069358993554468891818684832326496516862894374378827679822831799994001163752108551906469614306396262617696465605404599301694115279374226498879519563013003283728107788486105874932156347675268434970020250038836176239570296820651639387182334072735309421428916963431279637736634455731718731058314857071810179534576675151185608056179846866843699084396124837685941065152874501527061374866859422021382419012194880791813047543001087861802445947222488395630640128950184043374855776460556074013427587458686785171422371165211295261243898150382219591279589755356403105844374741853848005025238221848965741582827014910005003047935342652119638974637227593311048585005624157955909818076360241433923252221629839876458984908920009502775205793385935294154621700977507580028488251022297708149722608432238005686257960709377567459691794667271153682770003901684729586369267592116601645732142115312261723725800499966150435916546592334726536690359060179537323091121483443385622976886290094626348041603948563481340142620769530076569571589101533157831851575805630261664214667075710693452109591605228825645306042972851107080020670522799731588993916481193406662308694708823158962290854914469218777165520673526641661612746988486835711989175536907999546960355930908484354376245873147446093808970975693395644086325486849434258092844491227227946195045920007967146894942263306106603183582078542358637243775705613
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 65 of the certificate chain of a 2,603-digit prime (273 intermediate primes).

Certified number2,603-digit prime
Certificatedownload
Certificate chainshow step 65 of 273

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004871498920 --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":1100000004871498920},"decimal":true,"detail":2}}'