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

Is 135 a Prime Number?

Is 135 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 135 is a prime or composite is - "135 is a composite number." Now, let us find out how and why is 135 a prime number or a composite number?

  • Is 135 a prime number? - No
  • Is 135 a composite number? - Yes
  • Prime Factors of 135 - 3, 5
  • Factors of 135 - 1, 3, 5, 9, 15, 27, 45, 135
  • Is 135 a perfect square? - No

Is 135 a Prime or Composite?

Is 135 a Prime Number?

No, 135 is not a prime number. The number 135 is divisible by 1, 3, 5, 9, 15, 27, 45, 135. For a number to be classified as a prime number, it should have exactly two factors. Since 135 has more than two factors, i.e. 1, 3, 5, 9, 15, 27, 45, 135, it is not a prime number.

Is 135 a Prime Number?

Why is 135 not a Prime Number?

To understand whether 135 is prime or composite, it is important to find its factors.

Factors of 135: 1, 3, 5, 9, 15, 27, 45, 135

Since 135 has more than 2 factors, we can say that 135 is not a prime number.

☛ Prime Number Calculator

Is 135 a Composite Number?

Yes, since 135 has more than two factors i.e. 1, 3, 5, 9, 15, 27, 45, 135. In other words, 135 is a composite number because 135 has more than 2 factors.

Problem Statements:

Is 135 a Prime Number? No
Is 135 a Composite Number? Yes
Multiples of 135 135, 270, 405, 540, 675, 810, 945, 1080, 1215, 1350
Is 135 an Odd Number? Yes
Cube Root of 135 5.129919
Square of 135 18225
Is 135 an Even Number? No
Square Root of 135 11.61895
Is 135 a Perfect Cube? No
Is 135 a Perfect Square? No

Fun Facts:

  • A pair of prime numbers X and Y are said to be twin prime numbers if the absolute difference between them is 2. Example - (311, 313) are twin prime numbers.
  • 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.
  • 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

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