Question

d) 6, 12 and 18
2. Find the LCM using prime factorisation
a) 4, 6 and 9
b) 10 and 24​

Answer 1

Answer:

The multiples of 15 are : 15, 30, 45, 60, 75, 90, .... 60 is a common multiple (a multiple of both 12 and 15), and there are no lower common multiples. Therefore, the lowest common multiple of 12 and 15 is 60. to see whether you are correct.

One way to find the least common multiple of two numbers is to first list the prime factors of each number. Then multiply each factor the greatest number of times it occurs in either number. If the same factor occurs more than once in both numbers, you multiply the factor the greatest number of times it occurs.

Least common multiple (LCM) of 10 and 12 is 60.

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Answer 2

Step-by-step explanation:

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