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What is the lcm of 18 and 30 using prime factorization?

User Vencat
by
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1 Answer

4 votes

18 = 2×3×3

30 = 2×3×5

The LCM will have factors of 2, 3², and 5. (Choose the highest power of each prime.)

2×3×3×5 = 90 is the LCM of 18 and 30.

User Dccollie
by
6.7k points
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