Is 130 a Prime Number?

Is 130 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 130 is a prime or composite is - "130 is a composite number." Now, let us find out how and why is 130 a prime number or a composite number?

• Is 130 a prime number? - No
• Is 130 a composite number? - Yes
• Is 130 a perfect square? - No
• Factors of 130 - 1, 2, 5, 10, 13, 26, 65, 130
• Prime Factors of 130 - 2, 5, 13

Is 130 a Prime Number?

No, 130 is not a prime number. The number 130 is divisible by 1, 2, 5, 10, 13, 26, 65, 130. For a number to be classified as a prime number, it should have exactly two factors. Since 130 has more than two factors, i.e. 1, 2, 5, 10, 13, 26, 65, 130, it is not a prime number.

Why is 130 not a Prime Number?

To understand whether 130 is prime or composite, it is important to find its factors.

Factors of 130: 1, 2, 5, 10, 13, 26, 65, 130

Since 130 has more than 2 factors, we can say that 130 is not a prime number.

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Is 130 a Composite Number?

Yes, since 130 has more than two factors i.e. 1, 2, 5, 10, 13, 26, 65, 130. In other words, 130 is a composite number because 130 has more than 2 factors.

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Fun Facts:

• 5 is the only prime number having the last digit as 5.
• 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.
• 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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