Top network posts

• 28 Frequency of the Prime Numbers
• 17 Use 2, 0, 1 and 8 to make 71
• 12 simple probability question about mutually exclusive event
• 11 Let $x$, $y$ and $z$ be prime numbers. Find the number of ordered triplets such that $x^y + 1 = z$
• 11 How to evaluate $\lim\limits_{x\to 0}\frac{1-\cos 7x}{3x^2}$?
• 8 The units digit of $(((\dots((2018^{2017})^{2016})^{.^{.^{.}}})^3)^2)^1$
• 7 Is every $N$th Fibonacci number where $N$ is divisible by $5$ itself divisible by $5$
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