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Is 5 a Prime Number?

Is 5 a prime number? How do you know that 5 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 5? Is 5 a prime number? "Yes, 5 is a prime number." Since 5 has only 2 factors i.e. 1 and 5, it is a prime number. Let's study this in detail.

Is 5 a prime number? - Yes
Is 5 a composite number? - No
Factors of 5 - 1, 5
Is 5 a perfect square? - No
Prime Factors of 5 - 5

Yes, 5 is a prime number. The number 5 is divisible only by 1 and the number itself. For a number to be classified as a prime number, it should have exactly two factors. Since 5 has exactly two factors, i.e. 1 and 5, it is a prime number.

Is 5 a Prime or Composite?

How is 5 a Prime Number?

To understand whether 5 is composite or prime, it is important to find its factors.

Factors of 5: 1, 5

Therefore, we can say that 5 is a prime number since it has only 2 factors.

☛ Prime Number Calculator

Is 5 a Composite Number?

No, since 5 has only two factors, i.e. 1 and 5. In other words, 5 is not a composite number because 5 doesn’t have more than 2 factors.

Problem Statements:

Is 5 a Prime Number?	Yes
Is 5 a Composite Number?	No
Square Root of 5	2.236068
Is 5 a Perfect Cube?	No
Cube Root of 5	1.709975
Is 5 a Perfect Square?	No
Is 5 an Odd Number?	Yes
Multiples of 5	5, 10, 15, 20, 25, 30, 35, 40, 45, 50
Is 5 an Even Number?	No

Fun Facts:

All primes except 2 are odd.
A pair of prime numbers X and Y are said to be twin prime numbers if the absolute difference between them is 2. Example - (41, 43) are twin prime numbers.
A perfect cube is always a composite number.

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