Is 427 a Prime Number?

Is 427 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 427 is a prime or composite is - "427 is a composite number." Now, let us find out how and why is 427 a prime number or a composite number?

• Is 427 a prime number? - No
• Is 427 a composite number? - Yes
• Prime Factors of 427 - 7, 61
• Is 427 a perfect square? - No
• Factors of 427 - 1, 7, 61, 427

Is 427 a Prime Number?

No, 427 is not a prime number. The number 427 is divisible by 1, 7, 61, 427. For a number to be classified as a prime number, it should have exactly two factors. Since 427 has more than two factors, i.e. 1, 7, 61, 427, it is not a prime number.

Why is 427 not a Prime Number?

To understand whether 427 is prime or composite, it is important to find its factors.

Factors of 427: 1, 7, 61, 427

Since 427 has more than 2 factors, we can say that 427 is not a prime number.

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Is 427 a Composite Number?

Yes, since 427 has more than two factors i.e. 1, 7, 61, 427. In other words, 427 is a composite number because 427 has more than 2 factors.

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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.
• All primes except 2 are odd.
• 23 is the smallest prime number having consecutive digits.

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• Is 427 a Prime Number? - No