Find the least number by which 175760 be divided to make it a perfect cube.Select an answerA6B10C9D30
Question
Find the least number by which 175760 be divided to make it a perfect cube.
Select an answer:
- A) 6
- B) 10
- C) 9
- D) 30
Solution
To find the least number by which 175760 should be divided to make it a perfect cube, we first need to find the prime factorization of 175760.
The prime factorization of 175760 is 2^4 * 3^3 * 5 * 7^3.
A perfect cube is a number that can be expressed as the product of three equal integers. Therefore, each prime factor must appear three times.
In the prime factorization of 175760, the prime number 2 appears four times and the prime number 5 appears once.
To make 175760 a perfect cube, we need to remove one 2 and one 5 from its prime factorization.
Therefore, the least number by which 175760 should be divided to make it a perfect cube is 2*5 = 10.
So, the answer is B10.
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