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In this article, we will learn about the solution to the problem statement given below.

**Problem statement **− We are given a number, we need to find all the prime factors of a given number.

The efficient solution to the problem is discussed below −

# Python program to print prime factors import math # prime def primeFactors(n): # no of even divisibility while n % 2 == 0: print (2), n = n / 2 # n reduces to become odd for i in range(3,int(math.sqrt(n))+1,2): # while i divides n while n % i== 0: print (i) n = n / i # if n is a prime if n > 2: print (n) n = 200 primeFactors(n)

2 2 2 5 5

All the variables and functions are declared in the global scope as shown in the figure above.

In this article, we have learned how we can print all prime factors of a given number efficiently.

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