37, 13, 23, 17, 73, yes.
The rest, no.
If you mean: 12 13 15 17 27 and 29 then the prime numbers are 13 17 and 29
7 and 13, yes 15, no.
The prime numbers between 6 and 15 are: 7, 11, 13
13
11 and 13 are prime numbers but 15 is a composite number because it has more than two factors
The prime numbers between 10 and 15 are 11 and 13.
The numbers 5, 7, 11 and 13 are prime.
12, 14, 15, 16, and 18 are composite numbers 11, 13, 17, and 19 are prime numbers
They are: 2+13 = 15
Prime numbers from 1 to 15 are 2, 3, 5, 7, 11 and 13.
13 and 2
2, 3, 5, 7, 11, 13, 17, 19 ARE prime numbers! 1, 4, 6, 8, 9, 10, 12, 14, 15, 16, 18, 20 are NOT prime numbers!