5 is prime.
17, 19, 23, 29 and 31 are prime. 15, 21, 25 and 27 are composite..
only 59 is prime. rest are composite numbers
They are: 17, 19 and 23
It is 19
17 is the only prime in this list.
The GCF of 15, 25, and 30 is 5.The prime factorization of 15 is 3*5.The prime factorization of 25 is 5*5The prime factorization of 30 is 2*3*5So the GCF of 15, 25, and 30 is 5.
5 is prime.
1:1 prime number2: 1,2 prime number3: 1,3 Prime Number4:1,2,4 composite number5:1,5 Prime number6:1,2,3,6 composite number7:1,7 Prime number8: 1,2,4,8 composite number9:1,3,9
The prime numbers between 15 and 25 are- 17, 19 and 23.They are: 17, 19 and 23They are: 17 19 and 23
1,3,5,15 1,5,25 3 and 5 are prime.
25 = 5 * 5 = 5215 = 3 * 5
89
They are all prime numbers except for 15 21 25 and 27 which are composite numbers
17, 19, 23, 29 and 31 are prime. 15, 21, 25 and 27 are composite..
only 59 is prime. rest are composite numbers
They are: 17, 19 and 23