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Q: How many pairs of prime numbers have a sum of 36?

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There are two pairs of prime numbers that express 18 as the sum of two prime numbers: 7 + 11 = 18 and 5 + 13 = 18.

Only one pair.

Just 3 + 3

There are three pairs.

There 4 pairs of primes that can give a sum 40 in addition. They are (3,37), (11,29), (17,23),(19,21).

2 and 5 are one such pair.

2 and 5

They are 11 and 2

2 and 41.

They are 2 and 29

They are 2 and 17

I assume you are asking the question "what two prime numbers sum to 44". There may be other pairs of prime numbers that sum to 44, but 37 and 7 are both primes and their sum = 44.

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

47 + 3 = 50, 43 + 7 = 50, 37 + 13 = 50, and 31 + 19 = 50. 4 pairs of prime numbers have a sum of 50. 53 + 7 = 60, 47 + 13 = 60, 43 + 17 = 60, 41 + 19 = 60, 37 + 23 = 60, and 31 + 29 = 60. 6 pairs of prime numbers have a sum of 60.

3 + 17 13+7 19+1

There are infinitely many pairs of numbers that sum to 59. One such is 0.1 and 58.9

2+3,11+3,3+17

20 of them

The sum of the first two prime numbers is 5.

which three prime numbers have a sum of 59

For a 2-digit prime number (which are all odd) to be the sum of two prime numbers, one of the prime numbers will have to be 2. That means the difference between the sum and the other addend will have to be 2. Prime numbers that differ by 2 are called twin primes. There are six pairs of 2-digit twin primes. Your numbers are 13, 19, 31, 43, 61 and 73.

2 + 164 + 146 + 128 + 104 pairs of even numbers can be found whose sum is eighteen.

You can't write that as the sum of two prime numbers. Note: Goldbach's Conjecture (for expressing numbers as the sum of two prime numbers) applies to EVEN numbers.

the sum of the first 15 prime numbers is 328 .

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