Advertisements
Advertisements
प्रश्न
What is the least number by which 30375 should be multiplied to get a perfect cube?
Advertisements
उत्तर
The prime factors of 30375 are
| 3 | 30375 |
| 3 | 10125 |
| 3 | 3375 |
| 3 | 1125 |
| 3 | 375 |
| 5 | 125 |
| 5 | 25 |
| 5 | 5 |
| 1 |
= 3 x 3 x 3 x 3 x 3 x 5 x 5 x 5
= (3 x 3 x 3) x (5 x 5 x 5) x 3 x 3
Clearly, 30375 must be multiplied with 3
APPEARS IN
संबंधित प्रश्न
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.
15625
Find the cube root of the following number by the prime factorisation method.
175616
Using the method of successive subtraction examine whether or not the following numbers is perfect cube 130 .
The volume of a cubical box is 474.552 cubic metres. Find the length of each side of the box.
Evaluate:
Making use of the cube root table, find the cube root
250.
Find the cube root of 8000.
Find the cube root of 13824 by prime factorisation method.
The cube root of 540 × 50 is ___________
