Prime Factorisation
Write as a product of primes in increasing order, using p^k when a prime appears more than once, joined by x. For example 2^3 x 3^2 x 5.
Input
A single integer .
Output
The factorisation.
Constraints
Sample 1
Input
360
Output
2^3 x 3^2 x 5
Sample 2
Input
97
Output
97