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 #1100000004942352290 372 digits created 2023-10-25

Value

428442435989127850052994168011644974241497480104127910811342789042976939970027165045584043633580108543504522505971819687947399129729351183547840354825275812673583132229778246678569057994570738317073423301683769806877253837456832706070488835223098623875876809834393968935678928797311417005445545943811037347992865504180738793986135897985380571338704450337531250690922974587
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 139 of the certificate chain of a 1,624-digit prime (189 intermediate primes).

Certified number1,624-digit prime
Certificatedownload
Certificate chainshow step 139 of 189

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004942352290 --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":1100000004942352290},"decimal":true,"detail":2}}'