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Is 16 a Prime Number?

Is 16 a prime number? How do you know that 16 is prime or composite? Let us first understand what makes a number 'prime'. If a number has only 2 factors (1 and the number itself), then it is a prime number. If the number has more than 2 factors, then it is composite. Now, what do you think of 16? Is 16 a prime number? "No, 16 is not a prime number." Since 16 has more than 2 factors i.e. 1, 2, 4, 8, 16, it is a composite number. Let's study this in detail.

Is 16 a prime number? - No
Is 16 a composite number? - Yes
Prime Factors of 16 - 2
Is 16 a perfect square? - Yes
Factors of 16 - 1, 2, 4, 8, 16

Is 16 a Prime or Composite?

Is 16 a Prime Number?

No, 16 is not a prime number. The number 16 is divisible by 1, 2, 4, 8, 16. For a number to be classified as a prime number, it should have exactly two factors. Since 16 has more than two factors, i.e. 1, 2, 4, 8, 16, it is not a prime number.

Is 16 a Prime Number?

Why is 16 not a Prime Number?

To understand whether 16 is prime or composite, it is important to find its factors.

Factors of 16: 1, 2, 4, 8, 16

Since 16 has more than 2 factors, we can say that 16 is not a prime number.

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Is 16 a Composite Number?

Yes, since 16 has more than two factors i.e. 1, 2, 4, 8, 16. In other words, 16 is a composite number because 16 has more than 2 factors.

Problem Statements:

Is 16 a Prime Number?	No
Is 16 a Composite Number?	Yes
Is 16 a Perfect Cube?	No
Square Root of 16	4
Multiples of 16	16, 32, 48, 64, 80, 96, 112, 128, 144, 160
Cube Root of 16	2.51984
Is 16 an Odd Number?	No
Is 16 a Perfect Square?	Yes
Square of 16	256
Is 16 an Even Number?	Yes

Fun Facts:

Numbers X and Y are said to be coprime if they have only one common factor that is 1.
1 is neither prime nor composite.
A palindrome prime is a prime number that when read in reverse order results in the same number. Examples - 10601, 11311, 12421

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