Given two numbers A and B. The task is to find out their LCM and GCD.
Input: A = 5 , B = 10 Output: 10 5 Explanation: LCM of 5 and 10 is 10, while thier GCD is 5.
Input: A = 14 , B = 8 Output: 56 2 Explanation: LCM of 14 and 8 is 56, while thier GCD is 2.
You don't need to read input or print anything. Your task is to complete the function lcmAndGcd() which takes an Integer N as input and returns a List of two Integers, the required LCM and GCD.
Expected Time Complexity: O(log(min(A, B))
Expected Auxiliary Space: O(1)
1 <= A,B <= 1018
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