KnowraTwin primeLinked fromLinked fromThe 5 pages that link to Twin prime, each with the reason it gives.All 5Broader topic 2Related 1Compared with 2Prime numberBroader topic: Twin primes illustrate how primes can cluster unusually close together.Sophie Germain primeCompared with: Both concern linked prime pairs, but their defining gaps and equations differ.Brun's theoremBroader topic: These are the prime pairs whose reciprocals Brun's theorem sums.Brocard's conjectureCompared with: Twin primes concern exceptionally small gaps, whereas Brocard's conjecture counts primes across a squared-prime interval.Lemoine's conjectureRelated: The special case where the doubled prime is 2 produces a twin-prime pair.