Paper 4, Section I, INumber TheoryPart II, 2019Show that the product∏p prime (1−1p)−1\prod_{p \text { prime }}\left(1-\frac{1}{p}\right)^{-1}p prime ∏(1−p1)−1and the series∑p prime 1p\sum_{p \text { prime }} \frac{1}{p}p prime ∑p1are both divergent.