For positive integers x, y, and z, the function x ? y ? z means that zx^y is an integer, but zx^y+1 is not. If x ? 2 ? 144, then which of the following is NOT a possible value of x ?

For positive integers x, y, and z, the function x ? y ? z...

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705-805

Functions

For positive integers x, y, and z, the function x ? y ? z means that

\frac{z}{x^y}

is an integer, but

\frac{z}{x^{y+1}}

is not. If x ? 2 ? 144, then which of the following is NOT a possible value of x ?

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705-805

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