Is 257 a cube number?
Cube Question: Is 257 a cube number?
For 257 to be a cube number the following equation must be true:
n3 = 257 where n is a whole number.
In other words, if n*n*n = 257, then 257 is a cube number.
There are no whole numbers you can set to n to make the equation above 257.
Therefore, we can conclude that 257 is NOT a cube number.
Answer: Is 257 a cube number? = NO
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