Prime sum
= Prime sum
A prime sum is a <summation> indexed by <prime numbers>, for example $\sum_{p\leq x}1/p$. The indexing restriction distinguishes it from a sum over all <positive integers>.
= Prime sum
A prime sum is a <summation> indexed by <prime numbers>, for example $\sum_{p\leq x}1/p$. The indexing restriction distinguishes it from a sum over all <positive integers>.