A day full of math games & activities. Find one near you.

Is 13 a Prime Number?

Is 13 a Prime Number? "Yes, 13 is 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 599 with only 2 factors, i.e. 1 and 599 are called prime numbers. However, numbers like 203 with more than 2 factors are called composite numbers. Let us find out how and why is 13 a prime number?

Is 13 a prime number? - Yes
Is 13 a composite number? - No
Prime Factors of 13 - 13
Factors of 13 - 1, 13
Is 13 a perfect square? - No

Yes, 13 is a prime number. The number 13 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 13 has exactly two factors, i.e. 1 and 13, it is a prime number.

Is 13 a Prime or Composite?

How is 13 a Prime Number?

To understand whether 13 is prime or composite, it is important to find its factors.

Factors of 13: 1, 13

Therefore, we can say that 13 is a prime number since it has only 2 factors.

☛ Prime Number Calculator

Is 13 a Composite Number?

No, since 13 has only two factors, i.e. 1 and 13. In other words, 13 is not a composite number because 13 doesn’t have more than 2 factors.

Problem Statements:

Is 13 a Prime Number?	Yes
Is 13 a Composite Number?	No
Cube Root of 13	2.351333
Is 13 a Perfect Square?	No
Is 13 an Even Number?	No
Is 13 a Perfect Cube?	No
Is 13 an Odd Number?	Yes
Multiples of 13	13, 26, 39, 52, 65, 78, 91, 104, 117, 130
Square Root of 13	3.605551

Fun Facts:

A palindrome prime is a prime number that when read in reverse order results in the same number. Examples - 787, 373, 353
Euler discovered a polynomial n² + n + 41 that produces prime numbers for values of n that lie between 0 and 39 inclusive. It can generate 40 prime numbers for 0 <= n <= 39.
1 is neither prime nor composite.

☛ Also Check: