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Let $\theta(x) = \sum_{p\leq x} \log p$. We show that $\theta(x)<x$ for $2<x<1.39\cdot 10^{17}$. We also show that there is an $x<\exp(727.951332668)$ forwhich $\theta(x) >x.$

On the first sign change of $\theta(x) - x$