0
Anonymous
a Prime number that's ONLY multiples are itself and 1.
example:4*4=16 3*5=15 9*2=18
1*17=17
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17
The rest are composite.
The next prime number after the composite number of 16 is 17
3 x 5 = 15, so 15 is not a prime number.
It is 17.
The prime numbers between 15 and 30 are: 17, 19, 23 and 29