Is 640 a cube number?

Cube Question: Is 640 a cube number?


For 640 to be a cube number the following equation must be true:

n3 = 640 where n is a whole number.

In other words, if n*n*n = 640, then 640 is a cube number.

There are no whole numbers you can set to n to make the equation above 640. Therefore, we can conclude that 640 is NOT a cube number.

Answer: Is 640 a cube number? = NO






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