15 and 17
The whole number between 13 and 17 is 15
Number 17 is but 15 isn't as 5x3 isn't a prime number
32
17
The cosine of 0.489957 radians is 15/17
multiples: 5, 10, 15 + 2 = 17 Answer: 15
It is 17.
15 is composite number 17, 19 and 23 are prime numbers.
17/15 is not equivalent to any whole number, and there's nothing you can do to it that can make it one.
15
15!
The answer is 15.75