Advertisements
Advertisements
Question
Find the LCM set of numbers using prime factorisation method.
6, 9
Advertisements
Solution
6, 9
Prime factorisation of 6 = 2 × 3
Prime factorisation of 9 = 3 × 3
Product of common factors = 3
Product of other factors = 2 × 3 = 6
LCM (6, 9) = 3 × 6 = 18
APPEARS IN
RELATED QUESTIONS
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 smallest number which when divided by 8, 9, 10, 15, or 20 gives a remainder of 5 every time.
The LCM of 12, 15, 20, 27 is
Find the least number which when divided by 16, 36, and 40 leaves 5 as the remainder in each case.
Can two numbers have 12 as their HCF and 512 as their LCM? Justify your answer.
If the LCM of 3 and 9 is 9, then their HCF is __________
The LCM of two co-primes is the sum of the numbers
Malarvizhi, Karthiga and Anjali are friends and natives of the same village. They work at different places. Malarvizhi comes to her home once in 5 days. Similarly, Karthiga and Anjali come to their homes once in 6 days and 10 days respectively. Assuming that they met each other on the 1st of October, when will all the three meet again?
The common multiple of 4 and 8 among the given number is
Arun and Shahjahan goes for walking in a circular path of a park in the same direction. Arun takes 6 minutes to complete one round, while Shahjahan takes 8 minutes to complete one round. In how many minutes will they meet each other?
