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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 #1100000008678244603 1,183 digits created 2026-03-11

Value

1054259797848126407465000069236065053392692487766841233328613204608525881648637842644950644860680321716434972013512747423330952392054551400196811122151175706204478510418953911883535037428810782408551883577695048027408792615185827355027303321001645645232441355714614864933294963300532366130384181589282536851464668450219770668898749956922366873376323191334872235990108845675803758488355741963925332998030231350596016831123218041811936501288869036796126199353731019753166944832594558055853387179841848786402529992753885166020045883099523411717904924714682426115504217204668043847194016788752109033726859134284519652557938917618528044236300011556033051405720472268120335871203082164072498656495003969388109405138515571357635942034733243771168296443582294902842495941341617642926685316834526739177452370272246939268665963246917856319557662239160700440077411143325904211562735690964067221422584701773354992056505852448835368220252254214869174757734250939986438511073906863145875016911977464084200399943967874155815216862373799881713596718554182512079051158287752899215348333918164742406063248298689931714863026061225324264692386049367627971279600045917382743538452074236479454080783527883
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 77 of the certificate chain of a 1,850-digit prime (205 intermediate primes).

Certified number1,850-digit prime
Certificatedownload
Certificate chainshow step 77 of 205

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008678244603 --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":1100000008678244603},"decimal":true,"detail":2}}'