Is 15 a Composite Number?

Uh, yes. 15 is divisible by 5. That means it's composite. Silly.
...Is 1 a composite number? Or Is 1 a prime number?
Is 2 a composite number? Or Is 2 a prime number?
Is 3 a composite number? Or Is 3 a prime number?
Is 5 a composite number? Or Is 5 a prime number?
Is 7 a composite number? Or Is 7 a prime number?
Is 9 a composite number? Or Is 9 a prime number?
Is 11 a composite number? Or Is 11 a prime number?
Is 13 a composite number? Or Is 13 a prime number?		 ...15...
Is 17 a composite number? Or Is 17 a prime number?
Is 19 a composite number? Or Is 19 a prime number?
Is 21 a composite number? Or Is 21 a prime number?
Is 23 a composite number? Or Is 23 a prime number?
Is 25 a composite number? Or Is 25 a prime number?
Is 27 a composite number? Or Is 27 a prime number?
Is 29 a composite number? Or Is 29 a prime number?
Is 31 a composite number? Or Is 31 a prime number?
Is 33 a composite number? Or Is 33 a prime number?
Is 35 a composite number? Or Is 35 a prime number?
Is 37 a composite number? Or Is 37 a prime number?
Is 39 a composite number? Or Is 39 a prime number?
Is 41 a composite number? Or Is 41 a prime number?
Is 43 a composite number? Or Is 43 a prime number?
Is 45 a composite number? Or Is 45 a prime number?
Is 47 a composite number? Or Is 47 a prime number?
Is 49 a composite number? Or Is 49 a prime number?
Is 51 a composite number? Or Is 51 a prime number?
Is 53 a composite number? Or Is 53 a prime number?
Is 55 a composite number? Or Is 55 a prime number?...


Maybe you'd like to know what is the absolute value of -15?
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Random atomic facts:sulfur chlorine argon potassium calcium scandium titanium vanadium chromium manganese