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What Are Twin Primes?

šŸ’” The Answer

  • Twin primes are pairs of primes that differ by exactly 2.
  • Examples include (3,5), (11,13), and (41,43).
  • It is conjectured there are infinitely many such pairs, but unproven.
  • Brun's theorem shows the sum of reciprocals of twin primes converges.

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šŸ“… On This Day — September 143 events →

1940 — Ip massacre: The Hungarian Army, supported by local Hungarians, kill 158 Romania

1940 — Ip massacre: The Hungarian Army, supported by local Hungarians, kill 158 Romania

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