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Is 75 a Prime Number?

Is 75 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 75 is a prime or composite is - "75 is a composite number." Now, let us find out how and why is 75 a prime number or a composite number?

Is 75 a prime number? - No
Is 75 a composite number? - Yes
Factors of 75 - 1, 3, 5, 15, 25, 75
Prime Factors of 75 - 3, 5
Is 75 a perfect square? - No

Is 75 a Prime or Composite?

Is 75 a Prime Number?

No, 75 is not a prime number. The number 75 is divisible by 1, 3, 5, 15, 25, 75. For a number to be classified as a prime number, it should have exactly two factors. Since 75 has more than two factors, i.e. 1, 3, 5, 15, 25, 75, it is not a prime number.

Is 75 a Prime Number?

Why is 75 not a Prime Number?

To understand whether 75 is composite or prime, it is important to find its factors.

Factors of 75: 1, 3, 5, 15, 25, 75

Since 75 has more than 2 factors, we can say that 75 is not a prime number.

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Is 75 a Composite Number?

Yes, since 75 has more than two factors i.e. 1, 3, 5, 15, 25, 75. In other words, 75 is a composite number because 75 has more than 2 factors.

Problem Statements:

Is 75 a Prime Number?	No
Is 75 a Composite Number?	Yes
Is 75 a Perfect Cube?	No
Is 75 an Odd Number?	Yes
Is 75 a Perfect Square?	No
Square of 75	5625
Multiples of 75	75, 150, 225, 300, 375, 450, 525, 600, 675, 750
Cube Root of 75	4.217157
Square Root of 75	8.660254
Is 75 an Even Number?	No

Fun Facts:

2 is the smallest prime number.
A palindrome prime is a prime number that when read in reverse order results in the same number. Examples - 10601, 11311, 12421
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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