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  1. import math
  2.  
  3. def factor(x):
  4.   if x == 0 or x == 1:
  5.     return None
  6.   res = []
  7.   for i in range(2,int(math.floor(math.sqrt(x)+1))):
  8.     while x % i == 0:
  9.       x //= i
  10.       res.append(i)
  11.   if x != 1:#unusual numbers
  12.     res.append(x)
  13.   return res
  14.  
  15. print(factor(int(input())))
Success #stdin #stdout 0.06s 9568KB
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[2, 2, 2]
https://ideone.com/gL7YjY
language:
Python 3 (python  3.9.5)
created:
10 years ago
visibility:
secret

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