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Is 279 a Prime Number?

Is 279 a prime number? Numbers having only 2 factors, i.e. 1 and the number itself are known as prime numbers whereas numbers with more than 2 factors are known as composite. The answer to the question whether 279 is a prime or composite is - "279 is a composite number." Now, let us find out how and why is 279 a prime number or a composite number?

Is 279 a prime number? - No
Is 279 a composite number? - Yes
Factors of 279 - 1, 3, 9, 31, 93, 279
Prime Factors of 279 - 3, 31
Is 279 a perfect square? - No

Is 279 a Prime or Composite?

Is 279 a Prime Number?

No, 279 is not a prime number. The number 279 is divisible by 1, 3, 9, 31, 93, 279. For a number to be classified as a prime number, it should have exactly two factors. Since 279 has more than two factors, i.e. 1, 3, 9, 31, 93, 279, it is not a prime number.

Is 279 a Prime Number?

Why is 279 not a Prime Number?

To understand whether 279 is prime or composite, it is important to find its factors.

Factors of 279: 1, 3, 9, 31, 93, 279

Since 279 has more than 2 factors, we can say that 279 is not a prime number.

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Is 279 a Composite Number?

Yes, since 279 has more than two factors i.e. 1, 3, 9, 31, 93, 279. In other words, 279 is a composite number because 279 has more than 2 factors.

Problem Statements:

Is 279 a Prime Number?	No
Is 279 a Composite Number?	Yes
Is 279 a Perfect Cube?	No
Square Root of 279	16.703293
Multiples of 279	279, 558, 837, 1116, 1395, 1674, 1953, 2232, 2511, 2790
Is 279 an Odd Number?	Yes
Is 279 an Even Number?	No
Is 279 a Perfect Square?	No
Square of 279	77841
Cube Root of 279	6.534323

Fun Facts:

2 is the smallest prime number.
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.

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