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Suppose we have two arrays, one is nums and another one is primes. We have to check whether it is possible to make all the elements of nums equal by multiplying one or more prime numbers from primes array.

So, if the input is like nums = [25, 100] primes = [2, 5], then the output will be True as we can multiply 25 with 2 twice to get 100 then all elements are same.

To solve this, we will follow these steps −

- lcm_arr := LCM of all elements in nums
- for i in range 0 to size of nums - 1, do
- val := lcm_arr/nums[i]
- if size of primes is not 0 and val is not 1, then
- while val mod primes[0] is 0, do
- val := val/primes[j]

- while val mod primes[0] is 0, do
- if val is not same as 1, then
- return False

- return True

Let us see the following implementation to get better understanding −

from math import gcd def array_lcm(nums): ans = nums[0] for i in range(1,len(nums)): ans = (nums[i]*ans)/gcd(nums[i], ans) return ans def solve(nums, primes): lcm_arr = array_lcm(nums) for i in range(len(nums)): val = lcm_arr/nums[i] for j in range(len(primes) and val != 1): while (val % primes[j] == 0): val = val/primes[j] if (val != 1): return False return True nums = [25, 100] primes = [2, 5] print(solve(nums, primes))

[25, 100], [2, 5]

True

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