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 #1100000008675821307 640 digits created 2026-03-09

Value

4568278277823627500270387447027044501647628144414590348536951557432442550909016664130461729198255674437781930992804893136810860626144208476782403113171012016341884941499066039347087844008149984727969986069459008238112291746050827818925198677005107713092967929272748049651949822415151416610326249685959764847825991570860696990211969338206425548944245979528160331981387175609171018458753289931109420967183904785429430254447002679532778189629887588699665337463666243365321347811562792394852480263141358883367862231828898364439771520974817661744204933528913365641119055573766524942019176103614440127720262281188590058204285039681835830775354993
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 50 of the certificate chain of a 1,099-digit prime (122 intermediate primes).

Certified number1,099-digit prime
Certificatedownload
Certificate chainshow step 50 of 122

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000008675821307 --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":1100000008675821307},"decimal":true,"detail":2}}'