100702: [AtCoder]ABC070 C - Multiple Clocks

Problem Statement

We have $N$ clocks. The hand of the $i$-th clock $(1≤i≤N)$ rotates through $360°$ in exactly $T_i$ seconds.
Initially, the hand of every clock stands still, pointing directly upward.
Now, Dolphin starts all the clocks simultaneously.
In how many seconds will the hand of every clock point directly upward again?

Constraints

• $1≤N≤100$
• $1≤T_i≤10^{18}$
• All input values are integers.
• The correct answer is at most $10^{18}$ seconds.

Input

Input is given from Standard Input in the following format:

$N$
$T_1$
$:$  
$T_N$

Output

Print the number of seconds after which the hand of every clock point directly upward again.

Sample Input 1

2
2
3

Sample Output 1

6

We have two clocks. The time when the hand of each clock points upward is as follows:

• Clock $1$: $2$, $4$, $6$, $...$ seconds after the beginning
• Clock $2$: $3$, $6$, $9$, $...$ seconds after the beginning

Therefore, it takes $6$ seconds until the hands of both clocks point directly upward.

Sample Input 2

5
2
5
10
1000000000000000000
1000000000000000000

Sample Output 2

1000000000000000000