Question

find the LCM of 225,240,280 by using the prime factorisation method​

Answer 1

Answer:

Prime factorization of given number are 

108=2×2×3×3×3 

135=3×3×3×5 

162=2×3×3×3×3 

Notice that 2 occurs as a prime factor 

maximum 2 times , 3 four time and 5 one time.

∴ LCM =2×2×3×3×3×3×5=1620 

Step-by-step explanation:

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