Learn what twin prime numbers are, how to identify them, and their properties and conjecture. See examples, videos, and practice questions on twin prime numbers. Twin primes are pairs of prime numbers that differ by 2. Learn the definition, properties of twin primes, the list of twin primes, and examples. A twin prime is a prime number that is either 2 less or 2 more than another prime number—for example, either member of the twin prime pair (17, 19) or (41, 43). Twin primes are pairs of primes of the form ( , ) with . Learn about the twin prime conjecture, Brun's theorem, the twin prime constant, and the largest known twin primes.
