5 is a prime number. The others are not.
9 is not a prime number and neither 6 is a prime because they have more than 2 factors.
A prime number is a number that can only be divided by 1 and itself. While 5 can only be divided by 1 and 5, 9 can be divided by 1, 9 and 3. So 9 is not a prime number, 5 is.
5 is a prime number, but not 9, because you can do 3*3=9
5 is a prime number while 9 & 8 are compositenumbers.
5 is a prime number. The others are not.
6 and 9 are not prime numbers 23 is the only prime number in this group
its 1 2 5 9 8 9 6 59 5 6 A prime number has only two factors.
9 is not a prime number and neither 6 is a prime because they have more than 2 factors.
9 is not prime
A prime number is a number that can only be divided by 1 and itself. While 5 can only be divided by 1 and 5, 9 can be divided by 1, 9 and 3. So 9 is not a prime number, 5 is.
5 is a prime number, but not 9, because you can do 3*3=9
6480
5 is a prime number while 9 & 8 are compositenumbers.
As 315 is ending with a 5 it can be divided by 5 315/5=63 As 6+3=9 then it can be divided by 9 63/9=7 7 is a prime number Then 315 = 32 x 5 x 7
2, 3, 5 are prime numbers but 9 is not a prime number
5, 11 and 17 are prime number but 9 and 27 are composite numbers