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Sometimes.

2 + 3 = 5 (Prime number)

5 + 7 = 12 (not a prime number)

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โˆ™ 2012-09-02 07:15:52
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Q: Is the sum of prime numbers also a prime number?
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What are the numbers as sum of 2 prime numbers?

The sum of two prime numbers greater than 2 is an even number. The sum of 2 and any other prime number is an odd number.


What prime number has the sum of 54?

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(2,3) and (2,5) are the two pairs such that the sum of their elements is a prime number.


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The sum of any two prime numbers may or may not be prime. The sum of the two prime numbers 2 and 3 is the prime number 5, and the sum of the two prime numbers 5 and 7 is the composite number 12.


What 3 prime numbers have the sum of 3?

There are not three prime numbers that have the sum of 3. The smallest prime number is 2. If all three prime numbers were 2, the sum would 2 + 2 + 2 = 6, so that is the smallest number that is the sum of three prime numbers.


Is the sum of any two prime numbers always a composite number?

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