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 #1100000004995795502 359 digits created 2023-10-26

Value

28147777527454281244850669865098776369341705284077583235417644555903335414761869604504782159310434201060047647932864806116166341410776883812094934182873364342049437031525494102691648231567856930427091557733361404132216176715398659985071852547554492096406227386877698710928773933222811534491880167166143502223472906433524159445039755813266129052400761870110017
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Is factor of

Primality

Certificate chain stepproven prime

Proven as step 63 of the certificate chain of a 1,035-digit prime (93 intermediate primes).

Certified number1,035-digit prime
Certificatedownload
Certificate chainshow step 63 of 93

N-1 and N+1

Checking N-1 / N+1 factorization…

From the command linefdb · curl
fdb
fdb number id:1100000004995795502 --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":1100000004995795502},"decimal":true,"detail":2}}'