Advertisements
Advertisements
Question
Using the method of successive subtraction examine whether or not the following numbers is perfect cube 345 .
Advertisements
Solution
We have:
345
1
344
7
337
19
318
37
281
61
220
91
129
127
2
∵ The next number to be subtracted is 161, which is greater than 2.
∴ 345 is not a perfect cube.
APPEARS IN
RELATED QUESTIONS
Find the cube root of the following numbers by the prime factorisation method.
27000
Find the cube root of the following number by the prime factorisation method.
91125
Using the method of successive subtraction examine whether or not the following numbers is perfect cube 130 .
Evaluate:
With what least number must 8640 be divided so that the quotient is a perfect cube?
Find the cube root of 8000.
Find the cube root of 216.
Find the cube root of -1331.
Find `root(3)(0.125)`.
The least number by which 72 be divided to make it a perfect cube is ______.
