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Prime numbers have only two factors. Composite numbers have more than two.
Now.... That depends on whether it is a number orr not!? :)
It depends on the shape, whether it gives you the dimensions or not, or whether you can divide it up into separate shapes.
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A number can be factored to determine whether it is prime or composite. A prime number has exactly 2 factors, 1 and the number itself. A composite number has more than two factors.
The trigonometric functions are sine, cosine and tangent along with their reciprocals and the inverses. Whether the angle is acute or obtuse (or reflex) makes no difference).
"Non-polynomials" may be just about anything; how alike or different they are will depend on what specific restrictions you put on such functions, or whether you are even talking about functions.
It's composite
I suggest you try dividing it by different numbers, and see whether it is divisible. If you find a divisor, then it is composite. Otherwise it is a prime. For numbers up to 120, it is sufficient to test divisibility by 2, 3, 5, and 7.
To prove whether a number is composite, factor it. A number having any factor besides 1 and itself is composite.
35 is a composite number because it has more than two factors
None whatsoever. Whether or not a number is composite or prime, even or odd, is roughly analogous to whether a word is a noun or an adjective. They're just tools.
You need at least two numbers to find an LCM. It doesn't matter whether they are prime or composite.
Prime numbers have only two factors. Composite numbers have more than two.
Now.... That depends on whether it is a number orr not!? :)
It depends on the shape, whether it gives you the dimensions or not, or whether you can divide it up into separate shapes.
20 is a composite number