Is 273 a Prime Number?

Is 273 a prime number? How do you know that 273 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 273? Is 273 a prime number? "No, 273 is not a prime number." Since 273 has more than 2 factors i.e. 1, 3, 7, 13, 21, 39, 91, 273, it is a composite number. Let's study this in detail.

• Is 273 a prime number? - No
• Is 273 a composite number? - Yes
• Prime Factors of 273 - 3, 7, 13
• Is 273 a perfect square? - No
• Factors of 273 - 1, 3, 7, 13, 21, 39, 91, 273

Is 273 a Prime Number?

No, 273 is not a prime number. The number 273 is divisible by 1, 3, 7, 13, 21, 39, 91, 273. For a number to be classified as a prime number, it should have exactly two factors. Since 273 has more than two factors, i.e. 1, 3, 7, 13, 21, 39, 91, 273, it is not a prime number.

Why is 273 not a Prime Number?

To understand whether 273 is composite or prime, it is important to find its factors.

Factors of 273: 1, 3, 7, 13, 21, 39, 91, 273

Since 273 has more than 2 factors, we can say that 273 is not a prime number.

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Is 273 a Composite Number?

Yes, since 273 has more than two factors i.e. 1, 3, 7, 13, 21, 39, 91, 273. In other words, 273 is a composite number because 273 has more than 2 factors.

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Fun Facts:

• 1 is neither prime nor composite.
• Prime numbers greater than 5 can be represented in the form of either 6n + 1 or 6n - 1. Example - 71 is a prime number and it can be written as 71 = 6 × 12 - 1
• All primes except 2 are odd.

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