Question

find the lcm of 90 , 100 , 150 by prime factorisition method​

Answer 1

Answer:

900 is the answer

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Answer 2

Answer:

Required LCM of 90,100,150 is 900.

Step-by-step explanation:

Given numbers are 90,100,150.

Here we want to find LCM of these numbers.

We know LCM means Lowest Common Multiple.

For example,

We are taking two numbers 25 and 35.

Now by prime factorization,

$25 = 5 \times 5 \\ 35 = 5 \times 7$

Now lowest common multiple of 25 and 35 is

$5 \times 5 \times 7 \\ = 175$

Therefore LCM of 25 and 35 is 175.

Here given digits are 90,100,150.

By prime factorisation,

90 = 2×3×3×5

100 = 2×2×5×5

150 = 2×3×5×5

Now lowest common multiple of 90,100,150 is 2×2×3×3×5×5 = 4×9×25 = 900

Required LCM of 90,100,500 is 900.

Know more about LCM,

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