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Q: What are 2 prime numbers whose sum is a prime number?
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Related questions

What 2 numbers product is 23 and sum is 10?

There are no two numbers whose product is 23 and whose sum is 10. 23 is a prime number, and the only numbers whose product is 23 are 23 and 1. A prime number can only be divided by itself and 1.


What are two prime numbers less than 20 whose sum is also a prime number?

2 + 3 = 5


What is the product of two prime numbers whose sum is twenty?

17 and 3 are two prime numbers whose sum is 20. Their product is 51.


What 2 prime numbers whose sum is not a prime number?

Becouse every prime number (except 2) is odd, the sum of 2 prime numbers will always be even (and 2 is the only even prime). The exceptions are 11 and 2 for example; 11 = prime, 2 = prime and 13=prime.


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 are 2 prime numbers whose sum is an odd number?

It could any odd prime number and 2 since 2 is the only even prime number and add whole numbers to an odd sum requires both odd and even.In other words, 2 and any other prime will work.


When adding 2 prime number will the answer be prime?

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.


What is two prime numbers whose sum is 75?

73 and 2


What are Two prime numbers whose sum is 20?

3 and 17


What are two prime numbers whose sum is 30?

They are 13 and 17


What are two prime numbers whose sum is 16 and product is 35?

There are no such numbers.


What prime number has the sum of 54?

what prime numbers have the sum of 54


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

The sum of any two prime numbers is not always a composite number. The sum of 2 and 11 is 13, and 13 is a prime number, not a composite number.


What are 2 prime numbers whose sum is 35?

none


What is two prime numbers whose sum is 98?

They can be 31+67 = 98


What are two prime numbers whose sum is 84?

How about: 37+47 = 84


What two prime numbers equal 469?

2 and 467 are two prime numbers whose sum is 469.


In how many ways can 47 be written as the sum of two prime numbers?

It cannot be. If 47 is the sum of two prime numbers, one must be an even number and one must be an odd number, because that is the only way to have a sum that is an odd number, such as 47. The only even prime number is 2. The number that with 2 will have a sum of 47 is 45. However, 45 is not a prime number. Therefore, there are not two prime numbers that have a sum of 47.


If you add a prime number to itself is the the sum composite or prime?

The sum of two prime numbers will be composite unless one of the prime numbers is 2.


What 3 prime numbers equal 98?

2, 7, and 89 are three prime numbers whose sum is 98.


What are 2 composite numbers whose prime factorization have a sum of 10?

2 composite numbers whose prime factorization have a sum of 10 are 30 (2+3+5=10) and 21 (3+7=10).


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.


What is the only prime number that is the sum of four consecutive prime numbers?

17 is the only prime number that is the sum of four consecutive prime numbers. 2 + 3 + 5 + 7 = 17


Even numbers with the sum of two prime numbers?

The sum of any pair of prime numbers greater than 2 is an even number.