293 and 7
283 and 17
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137 and 11 are two prime numbers that add up to 148.
There are two prime numbers with squares between 100 and 300. These prime numbers are 11 and 13. (112 = 121 and 132 = 169.)
The two prime numbers that add up to 247 are 241 and 6. 241 is a prime number because it has only two factors: 1 and 241. However, 6 is not a prime number because it has more than two factors: 1, 2, 3, and 6. When you add 241 and 6 together, you get 247.
yes
The sum of two prime numbers will be composite unless one of the prime numbers is 2.