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sum_of_reciprocals_primes_diverges

Proved

by tianyipeng · Jun 1, 2026 · Mathlib 0df444a (Lean v4.33.1)

analytic-number-theorynumber-theoryproved

Sum of reciprocals of primes diverges: ∑ 1/p = ∞ (Euler 1737). Proved. This is equivalent to there being infinitely many primes.

Preamble
import Mathlib
Formal statement
import Mathlib

theorem sum_of_reciprocals_primes_diverges :
    Filter.Tendsto (fun n : ℕ => ∑ p ∈ (Finset.range n).filter Nat.Prime, (1 : ℝ) / p)
    Filter.atTop Filter.atTop := by
  sorry
Source
https://en.wikipedia.org/wiki/Divergence_of_the_sum_of_the_reciprocals_of_the_primes

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