Is 216 a Prime Number?

Is 216 a prime number? "No, 216 is not a prime number." A number can be classified as prime or composite depending on the factors it contains; it could either have only 2 factors or more than 2 factors. Numbers like 883 with only 2 factors, i.e. 1 and 883 are called prime numbers. However, numbers like 25 with more than 2 factors are called composite numbers. Let us find out how and why is 216 a prime number or a composite number?

• Is 216 a prime number? - No
• Is 216 a composite number? - Yes
• Factors of 216 - 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216
• Prime Factors of 216 - 2, 3
• Is 216 a perfect square? - No

Is 216 a Prime Number?

No, 216 is not a prime number. The number 216 is divisible by 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216. For a number to be classified as a prime number, it should have exactly two factors. Since 216 has more than two factors, i.e. 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216, it is not a prime number.

Why is 216 not a Prime Number?

To understand whether 216 is prime or composite, it is important to find its factors.

Factors of 216: 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216

Since 216 has more than 2 factors, we can say that 216 is not a prime number.

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Is 216 a Composite Number?

Yes, since 216 has more than two factors i.e. 1, 2, 3, 4, 6, 8, 9, 12, 18, 24, 27, 36, 54, 72, 108, 216. In other words, 216 is a composite number because 216 has more than 2 factors.

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Fun Facts:

• A perfect square (square number) is always a composite number.
• 5 is the only prime number having the last digit as 5.
• 1 is neither prime nor composite.

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