Prime Factors of 728

728 is divisible by the prime number 2 which results in 364. The same step can be applied 2 more times and the resultant value will be 91. Continuing, the number 91 is divisible by prime number 7 and the result after division will be 13. The result 13 cannot be divided any further as it is a prime number. Hence the prime factors of 728 are 2, 2, 2, 7, 13.

Prime Factors of 728
2, 2, 2, 7, 13
Prime Factor Tree of 728
  728    
    
2 364
    
2 182
    
2 91
    
7 13

728 is divisible by the prime number 2 which results in 364. The same step can be applied 2 more times and the resultant value will be 91. Continuing, the number 91 is divisible by prime number 7 and the result after division will be 13. The result 13 cannot be divided any further as it is a prime number. Hence the prime factors of 728 are 2, 2, 2, 7, 13.


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