A prime number can be less than 20, but it is not a requirement that the number has to be under 20 to be considered prime. Here is a list of all the prime numbers under 20: 2, 3, 5, 7, 11, 13, 17, and 19 .
The prime number that is greater than 20 but less than 29 is 23.
The greatest prime number less than 20 is 19. For there to be a difference, we'll have to have another value.
All the prime numbers less than 20 are 2,3,5,7,11,13,17,19
3
23 is the smallest prime number greater than 20.
A prime number can be less than 20, but it is not a requirement that the number has to be under 20 to be considered prime. Here is a list of all the prime numbers under 20: 2, 3, 5, 7, 11, 13, 17, and 19 .
The prime number that is greater than 20 but less than 29 is 23.
The greatest prime number less than 20 is 19. For there to be a difference, we'll have to have another value.
23 and 29 are the prime numbers between 20 and 30.
All the prime numbers less than 20 are 2,3,5,7,11,13,17,19
23
It is 19 which is a prime number
The prime number less than 10 that, when added to either 10 or 20, results in a prime number is 3. When you add 10 to 3, you get 13, which is a prime number. Similarly, when you add 20 to 3, you get 23, which is also a prime number.
3
A prime number is a number that is only divisible by itself, and 1. The largest prime number below 20 is 19. The smallest prime number above 60 is 61. So the answer will be 19 + 61 = 80
19