Two prime numbers which differ by 2 are called "twin primes".
Twin primes
Twin primes are two numbers with have a difference of 2 and that are both prime so 101 twin number is 103
Twin primes are pairs of prime numbers that differ from each other by two. 29 and 31 are twin primes.
3,5 5,7
There are two prime numbers that equals 50. The two numbers are 13 & 37. Both numbers are prime, so that's the answer.
If you're talking about which two prime numbers added together equals to 19, then the answer is 2 and 17. They are both prime numbers, and they add up to be 19.
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twin primes
There are an infinite number of pairs of prime two apart, classified as "twin primes". For lists, see the link.
Because the definition of twin primes is: two prime numbers with a difference of 2. 3 and 5 are both prime numbers, and their difference is 5 - 3 = 2 → they are twin primes.
No, 23 is not a twin prime. A twin prime is a prime number that has a prime number difference of 2 with the nearest prime number. In the case of 23, the nearest prime numbers are 19 and 29, which do not have a difference of 2.