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Is 144 a Prime Number?

Is 144 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 144 is a prime or composite is - "144 is a composite number." Now, let us find out how and why is 144 a prime number or a composite number?

Is 144 a prime number? - No
Is 144 a composite number? - Yes
Prime Factors of 144 - 2, 3
Factors of 144 - 1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144
Is 144 a perfect square? - Yes

Is 144 a Prime or Composite?

Is 144 a Prime Number?

No, 144 is not a prime number. The number 144 is divisible by 1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144. For a number to be classified as a prime number, it should have exactly two factors. Since 144 has more than two factors, i.e. 1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144, it is not a prime number.

Is 144 a Prime Number?

Why is 144 not a Prime Number?

To understand whether 144 is prime or composite, it is important to find its factors.

Factors of 144: 1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144

Since 144 has more than 2 factors, we can say that 144 is not a prime number.

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Is 144 a Composite Number?

Yes, since 144 has more than two factors i.e. 1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 24, 36, 48, 72, 144. In other words, 144 is a composite number because 144 has more than 2 factors.

Problem Statements:

Is 144 a Prime Number?	No
Is 144 a Composite Number?	Yes
Is 144 a Perfect Square?	Yes
Is 144 an Even Number?	Yes
Cube Root of 144	5.241474
Multiples of 144	144, 288, 432, 576, 720, 864, 1008, 1152, 1296, 1440
Is 144 an Odd Number?	No
Square Root of 144	12
Is 144 a Perfect Cube?	No
Square of 144	20736

Fun Facts:

1 is neither prime nor composite.
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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