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The LCM of 45 and 60 is 180, which is the multiple of the highest power of prime factors from both numbers (22 x 32 x 5 = 2 x 2 x 3 x 3 x 5 = 180). (Prime factors: 45 = 32 x 5; 60 = 22 x 3 x 5).

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9y ago

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