The integer $$n$$ is the product of four different prime numbers. If $$n$$ divided by 77 is a multiple of 13, which of the following could be equal to $$n$$ divided by 11?
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What is the least positive integer $$b$$ such that the equation $$x^2+bx+18=0$$ has two integer solutions for $$x$$?
$$b$$=_____
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How many distinct solutions does the equation $$|1-|x-215||=1$$ have?
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What is the greatest prime divisor of $$3^{100}$$- $$3^{97}$$?
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Which of the following numbers CANNOT be the value of $$\frac{a}{|a|}+\frac{b}{|b|}+\frac{c}{|c|}$$, where $$a$$, $$b$$, and $$c$$ are nonzero numbers?
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