Prime Factorisation Method to Find a Cube
Trending Questions
Q. Which of the following numbers is not a perfect cube?
- 1331
- 625
- 343
- 729
Q.
If 6655 is divided by
Q.
The smallest number that is to be multiplied with 6655 so that the product will be a perfect cube is
Q. 2744 written as a product of its primes is
- 2×2×2×7×7
- 2×2×7×7×7
- 2×2×7×7
- 2×2×2×7×7×7
Q.
What is the minimum number we need to multiply with 392 to make it a perfect cube?
6
4
7
2
Q. ___
How many times the number 3 should be mutiplied with 648, in order to make it a perfect cube?
Q. The prime factorization of 648 is
- 22×34
- 23×34
- 23×35
- 23×36
Q. The prime factorization of 392 is
- 22×54
- 23×35
- 23×72
- 23×73
Q.
What is the minimum number that should be multiplied with 360 in order to make it a perfect cube ?
65
80
75
70
Q.
If a and b are coprime, what should a3 b2 be multiplied with to make it a perfect cube?
- a2 b
a3
b3
- b