Advertisements
Advertisements
प्रश्न
Find the HCF and LCM of the numbers given below. Verify that their product is equal to the product of the given numbers.
18, 63
Advertisements
उत्तर
| 2 | 18 |
| 3 | 9 |
| 3 | 3 |
| 1 |
| 3 | 63 |
| 3 | 21 |
| 7 | 7 |
| 1 |
18 = 2 × 3 × 3
63 = 3 × 3 × 7
∴ HCF = 3 × 3
= 9
LCM = 3 × 3 × 2 × 7
= 126
Product of two numbers = 18 × 63
= 1134
Product of HCF and LCM = 9 × 126
= 1134
संबंधित प्रश्न
Find the LCM:
10, 15, 20
Find the LCM:
15, 25, 30
If a and b are co-primes, then their LCM is
Can two numbers have 12 as their HCF and 512 as their LCM? Justify your answer.
Find the LCM set of numbers using prime factorisation method.
8, 12
The traffic lights at three different road junctions change after every 40 seconds, 60 seconds and 72 seconds respectively. If they changed simultaneously together at 8 a.m at the junctions, at what time will they simultaneously change together again?
The number divisible by 5 with no remainder
Determine the greatest 3-digit number exactly divisible by 8, 10 and 12.
Find the LCM of the following numbers in which one number is the factor of the other.
- 5, 20
- 6, 18
- 12, 48
- 9, 45
What do you observe in the results obtained?
The smallest number that is a multiple of both 3 and 7 is:
