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Math and Arithmetic

What times what equals 123 three times?

Answer

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March 11, 2013 3:34PM

Set the cubic root of 123, and we have:

∛123 = ∛(3 * 41)

123 doesn't have the perfect cubic factor, so we express the result as ∛123.

If you multiply ∛123 by itself twice, then we have...

∛123 * ∛123 * ∛123 = 123!