Advertisements
Advertisements
प्रश्न
Find the HCF and LCM:
21, 49, 84
Advertisements
उत्तर
| 3 | 21 |
| 7 | 7 |
| 1 |
| 7 | 49 |
| 7 | 7 |
| 1 |
| 2 | 84 |
| 2 | 42 |
| 3 | 21 |
| 7 | 7 |
| 1 |
21 = 3 × 7
49 = 7 × 7
84 = 2 × 2 × 3 × 7
∴ HCF of 21, 49 and 84 = 7
∴ LCM of 21, 49 and 84 = 7 × 3 × 7 × 2 × 2 = 588
संबंधित प्रश्न
Find out the LCM of the following number:
15, 20
An equal number of laddoos have been placed in 3 different boxes. The laddoos in the first box were distributed among 20 children equally, the laddoos in the second box among 24 children, and those in the third box among 12 children. Not a single laddoo was leftover. Then, what was the minimum number of laddoos in the three boxes altogether?
Find the LCM:
63, 81
A trader has three bundles of string 392 m, 308 m and 490 m long. What is the great est length of string that the bundles can be cut up into without any left over string?
Find the LCM of the numbers given below:
42, 63
The circumferences of four wheels are 50 cm, 60 cm, 75 cm, and 100 cm. They start moving simultaneously. What least distance should they cover so that each wheel makes a complete number of revolutions?
The product of two numbers is 2160 and their HCF is 12. The LCM of these numbers is
In a morning walk, three persons step off together. Their steps measure 80 cm, 85 cm, and 90 cm respectively. What is the minimum distance each should walk so that all can cover the same distance in complete steps?
The LCM of 26, 39 and 52 is _________
Find the LCM set of numbers using prime factorisation method.
10, 15
