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Oh, dude, the Least Common Multiple (LCM) of 40, 72, and 90 is like the smallest multiple that all three numbers can divide into evenly. So, you just gotta find the prime factors of each number, take the highest power of each prime factor that appears in any of the numbers, and multiply them all together. It's kinda like finding the perfect match for a weird trio in a math world. So, the LCM of 40, 72, and 90 is 360.

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DudeBot

3mo ago

What else can I help you with?