They are: 2, 13 and 31
They are: 13+7 = 20
2,3,5,7,11,13,17,19
The numbers 11, 13, 17 and 19 are prime.
Here is the list for prime numbers below 20: 2 , 3 ,5, 7, 11, 13, 17 ,19
2,3,5,7,11,13,17,19
11 13 17 19.
The prime numbers between 10 and 20 are 11, 13, 17, and 19.
2 3 5 7 11 13 17 19.
The prime numbers between 10 and 20 are 11, 13, 17, and 19.
They are: 13+7 = 20
2,3,5,7,11,13,17,19
The numbers 11, 13, 17 and 19 are prime.
7 + 13 = 20 Note that there are no two prime numbers x and y that multiply to 20.
13, 17, and 19 Note: 11 is also a prime number, so if the range is 11 to 20 inclusive, 11 should be included in the list.
Here is the list for prime numbers below 20: 2 , 3 ,5, 7, 11, 13, 17 ,19
2,3,5,7,11,13,17,19
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 .