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18 lines
366 B
Python
18 lines
366 B
Python
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'''
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Problem:
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The prime factors of 13195 are 5,7,13 and 29. What is the largest prime factor of a given number N?
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e.g. for 10, largest prime factor = 5. For 17, largest prime factor = 17.
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'''
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from __future__ import print_function
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n=int(raw_input())
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prime=1
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i=2
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while(i*i<=n):
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while(n%i==0):
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prime=i
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n/=i
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i+=1
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if(n>1):
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prime=n
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print(prime)
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