factordbrpc · fdb
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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 #1100000009019435272 841 digits created 2026-07-29

Value

1402519120415753877726459638193651473841348905320499445547620238770771658449626129536210843128980334751935712704026892814718156981654907135341509359506044895530268460335754223660228079039807223180488637552683580781085688372037544413609513571911468489394309507565204930758364386343603081907263397329575301855108067784448116448163312640347090222100922558114253790779676576259383843858483673919141849448213904515487357011420063601462297152985840924595277261502913961938743026000008108531519968582138542120967254648730954211400190289001672320418004220665420428281240095834644266677075496731850670985389099303939492751789499265511564658022534021025533152741010998124211968857713110596828257679422446740763691469905244069869496942048642345087337920733786959465301651574848135167137525579217633822007717329062612874167886851822002692753127905779017
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 24 of the certificate chain of a 1,099-digit prime (94 intermediate primes).

Certified number1,099-digit prime
Certificatedownload
Certificate chainshow step 24 of 94

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000009019435272 --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":1100000009019435272},"decimal":true,"detail":2}}'