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The LCM of 32 and 40 is 160. The least common multiple of a pair can be found by multiplying the numbers and dividing by their GCF. We know the GCF cannot be greater than the difference between the two numbers, which, in this case is 8. Since 8 divides into 32 and 40 evenly, we know it is the GCF. 32 * 40 / 8 = 160, so that is the LCM of 32 and 40.

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9y ago

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