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Does the sum of two prime numbers equal a prime number? - Answers

If one of the two numbers is 2, the sum of two prime numbers may sometimes be a Prime number. Examples of this are 2 + 11 = 13, 2 + 521 = 523, 2 + 281 = 283. There are an infinite number of similar examples where the sum of 2 plus a prime is another prime. However if neither number is 2, then the sum of two prime numbers is always an even number greater than 2 and therefore composite.



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Does the sum of two prime numbers equal a prime number? - Answers

https://math.answers.com/math-and-arithmetic/Does_the_sum_of_two_prime_numbers_equal_a_prime_number

If one of the two numbers is 2, the sum of two prime numbers may sometimes be a Prime number. Examples of this are 2 + 11 = 13, 2 + 521 = 523, 2 + 281 = 283. There are an infinite number of similar examples where the sum of 2 plus a prime is another prime. However if neither number is 2, then the sum of two prime numbers is always an even number greater than 2 and therefore composite.



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https://math.answers.com/math-and-arithmetic/Does_the_sum_of_two_prime_numbers_equal_a_prime_number

Does the sum of two prime numbers equal a prime number? - Answers

If one of the two numbers is 2, the sum of two prime numbers may sometimes be a Prime number. Examples of this are 2 + 11 = 13, 2 + 521 = 523, 2 + 281 = 283. There are an infinite number of similar examples where the sum of 2 plus a prime is another prime. However if neither number is 2, then the sum of two prime numbers is always an even number greater than 2 and therefore composite.

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      If one of the two numbers is 2, the sum of two prime numbers may sometimes be a Prime number. Examples of this are 2 + 11 = 13, 2 + 521 = 523, 2 + 281 = 283. There are an infinite number of similar examples where the sum of 2 plus a prime is another prime. However if neither number is 2, then the sum of two prime numbers is always an even number greater than 2 and therefore composite.

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