There are many such pairs of numbers. Here are some:
2 and 3
2 and 5
2 and 11
2 and 17
2 and 29
2 and 41
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The first two prime numbers add up to another prime number.
5 + 7 + 11 = 23
The sum of two prime numbers will be composite unless one of the prime numbers is 2.
Well, isn't that a happy little math question! The two prime numbers that add up to 91 are 89 and 2. Remember, prime numbers are like little gems in the mathematical world, shining brightly with their unique properties. Keep exploring and discovering the beauty of numbers, my friend!
no, not all prime numbers are closed under addition. why? because, when you add 2 prime numbers you will not always get a prime number. example: 5+3= 8 5 and 3 are prime numbers but their sum is 8 which is a composite number..