Advertisements
Advertisements
Question
Find the LCM:
63, 81
Advertisements
Solution
| 3 | 63 |
| 3 | 21 |
| 7 | 7 |
| 1 |
| 3 | 81 |
| 3 | 27 |
| 3 | 9 |
| 3 | 3 |
| 1 |
63 = 3 × 3 × 7
81 = 3 × 3 × 3 × 3
∴ LCM = 3 × 3 × 7 × 3 × 3
= 63 × 9
= 567
RELATED QUESTIONS
Find the LCM:
15, 30, 90
Find the HCF and LCM:
23, 69
Find the LCM:
15, 25, 30
Find the LCM of the numbers given below:
36, 60, 72
Three measuring rods are 45 cm, 50 cm, and 75 cm in length. What is the least length (in metres) of a rope that can be measured by the full length of each of these three rods?
On dividing a certain number by 8, 10, 12, 14 the remainder is always 3. Which is the smallest such number?
Wilson, Mathan and Guna can complete one round of a circular track in 10, 15 and 20 minutes respectively. If they start together at 7 a.m from the starting point, at what time will they meet together again at the starting point?
Find L.C.M of the given number.
16 and 24
Determine the greatest 3-digit number exactly divisible by 8, 10 and 12.
Find the least number which when divided by 6, 15 and 18 leave the remainder of 5 in each case.
