How to count the trailing zeros in a binary number using Python

1 Answer

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def count_trailing_zeros(n):
    binary_str = bin(n)[2:]  # Convert to binary and remove '0b' prefix
    
    return len(binary_str) - len(binary_str.rstrip('0'))

number = 80  # 1010000
print("Number of Trailing Zeros:", count_trailing_zeros(number))




'''
run:

Number of Trailing Zeros: 4

'''

 



answered Jul 23, 2025 by avibootz
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