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They are 3+17 = 20

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Q: What are two prime numbers that add up to 20?
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Related questions

What prime numbers add up to 20?

The prime numbers of 20 are 2, 2 and 5. (2*2*5 = 20)


How do you calculate the sum of first 20 prime number?

You find the first 20 prime numbers and add them together. There is no formula for generating a sequence of prime numbers and so none for the series of their sums.You find the first 20 prime numbers and add them together. There is no formula for generating a sequence of prime numbers and so none for the series of their sums.You find the first 20 prime numbers and add them together. There is no formula for generating a sequence of prime numbers and so none for the series of their sums.You find the first 20 prime numbers and add them together. There is no formula for generating a sequence of prime numbers and so none for the series of their sums.


Is the addition of two composite numbers also a composite number?

Not necessarily. For example 15 and 16 are composite numbers. They add to 31, which is a prime number. Similarly, the composite numbers 20 and 21 add up to 41, which is a prime number.


How many prime numbers 20 and 30?

There are two prime numbers between 20 and 30 which are 23 and 29


How many prime numbers does 20 have?

20 has two prime factors which are 2 and 5


What 2 prime numbers equal 20?

7 + 13 = 20 Note that there are no two prime numbers x and y that multiply to 20.


What 3 prime numbers add to equal 20?

23


What are the two numbers if they are relatively prime and their sum is 20 and their least common multiple is 99?

If the two numbers are relatively prime, their least common multiple is their product. The prime factors of 99 are 3, 3, and 11. Since the two numbers are relatively prime, the possibilities are 9 and 11 or 1 and 99. The pair of 9 and 11 add up to 20 and their least common multiple is 99. So, 9 and 11 are the two numbers.


What consecutive prime integers have a difference of 20?

The first two consecutive prime numbers that have a difference of 20 are the numbers 887 and 907.


What is the median for first 20 prime numbers?

The median for the first 20 prime numbers would be 30. This is because the middle two numbers of the first 20 prime numbers are 29 and 31. To find the median from this, we need to find the average of these two numbers. This is 30.


What two consecutive numbers add up to 39?

20 + 19 = 39The two consecutive numbers that add up to 39 are 19 and 20.


What prime number is it when you add 10 or 20 to it less than 10.?

3, 13 and 23 are prime numbers.

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