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Create cheakprime.py #11

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16 changes: 16 additions & 0 deletions cheakprime.py
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Original file line number Diff line number Diff line change
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import math

def is_prime(n):
if n <= 1:
return False
if n == 2:
return True
if n % 2 == 0:
return False

max_divisor = math.isqrt(n)
for divisor in range(3, max_divisor + 1, 2):
if n % divisor == 0:
return False

return True