17, 19, 23, 29 and 31 are prime.
15, 21, 25 and 27 are composite..
1517 and 192123252729 are composite31 is prime.
12, 14, 15, 16, and 18 are composite numbers 11, 13, 17, and 19 are prime numbers
The composite numbers between 11 and 19 are: 12 14 15 16 18 The other numbers, 11, 13, 17, and 19, are all prime.
15 is a composite number - it can be divided by 3 and 5. 11, 13, 17 and 19 are all prime numbers, not composite.
19. It is prime.
It is 15
15 is composite number 17, 19 and 23 are prime numbers.
12, 14, 15, 16, and 18 are composite numbers 11, 13, 17, and 19 are prime numbers
The composite numbers between 11 and 19 are: 12 14 15 16 18 The other numbers, 11, 13, 17, and 19, are all prime.
15 is a composite number - it can be divided by 3 and 5. 11, 13, 17 and 19 are all prime numbers, not composite.
They are all prime numbers except for 15 21 25 and 27 which are composite numbers
15 is. In addition to ' 1 ' and itself, it has the additional factors 3 and 5 .
19. It is prime.
The prime numbers between 15 and 25 are- 17, 19 and 23.They are: 17, 19 and 23They are: 17 19 and 23
It is 15
Just add them together but leaving out 17, 19, 23 and 29 which are prime numbers
The prime factors of 34 are 2 and 17, and 2 + 17 = 19.
160 is a composite no. and 19 is a prime no.