4 lines
225 B
Markdown
4 lines
225 B
Markdown
|
We shall say that an n-digit number is pandigital if it makes use of all the digits 1 to n exactly once. For example, 2143 is a 4-digit pandigital and is also prime.
|
||
|
|
|
||
|
|
What is the largest n-digit pandigital prime that exists?
|