- #1
lfdahl
Gold Member
MHB
- 749
- 0
Let $p$ be a prime number exceeding $5$.
Prove that there exists a natural number $k$ such that
each digit in the decimal representation of $pk$ is $1$ :
$pk = 1111...1$
Prove that there exists a natural number $k$ such that
each digit in the decimal representation of $pk$ is $1$ :
$pk = 1111...1$