Question

define twin prime and write pairs of twin prime numbers less than 20?​

Answer 1

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The first few twin prime pairs are: (3, 5), (5, 7), (11, 13), (17, 19), (29, 31), (41, 43), (59, 61), (71, 73), (101, 103), (107, 109), (137, 139), … OEIS: A077800. ... As a result, the sum of any pair of twin primes (other than 3 and 5) is divisible by 12.

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