Is 39 A Prime Or Composite Number? - Cuemath

Is 39 a Prime Number?

Is 39 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 39 is a prime or composite is - "39 is a composite number." Now, let us find out how and why is 39 a prime number or a composite number?

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

Is 39 a Prime Number?

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

Why is 39 not a Prime Number?

To understand whether 39 is prime or composite, it is important to find its factors.

Factors of 39: 1, 3, 13, 39

Since 39 has more than 2 factors, we can say that 39 is not a prime number.

☛ Prime Number Calculator

Is 39 a Composite Number?

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

Problem Statements:

Is 39 a Prime Number?	No
Is 39 a Composite Number?	Yes
Is 39 a Perfect Cube?	No
Is 39 an Even Number?	No
Multiples of 39	39, 78, 117, 156, 195, 234, 273, 312, 351, 390
Square Root of 39	6.244998
Square of 39	1521
Is 39 a Perfect Square?	No
Cube Root of 39	3.391207
Is 39 an Odd Number?	Yes

Fun Facts:

• 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.
• A perfect square (square number) is always a composite number.
• A semiprime number is a composite number that is the product of exactly two prime numbers. Example - 115 is semiprime, since 115 can be written as 5 × 23.

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