I need to estimate the following sums.

\sum_{p\leq x} 1/log p

and

\sum_{p\leq x} \sqrt{p}

Could someone tell me what the are in terms of O(f(x))? Thanks very

much!

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I need to estimate the following sums.

\sum_{p\leq x} 1/log p

and

\sum_{p\leq x} \sqrt{p}

Could someone tell me what the are in terms of O(f(x))? Thanks very

much!