Is 247 a Prime Number?

Is 247 a prime number? A prime number is divisible only by 1 and itself, which means it has no other divisor except 1 and the number itself. On the contrary, composite numbers have more than two factors. To determine if 247 is a prime number or composite, we need to divide it with numbers from 1 to 247. To find out the answer to this question "is 247 is a prime number" and to gain a detailed understanding of "how and why is 247 a prime number or a composite number?" Let's learn more.

• Is 247 a prime number? - No
• Is 247 a composite number? - Yes
• Is 247 a perfect square? - No
• Prime Factors of 247 - 13, 19
• Factors of 247 - 1, 13, 19, 247

Is 247 a Prime Number?

No, 247 is not a prime number. The number 247 is divisible by 1, 13, 19, 247. For a number to be classified as a prime number, it should have exactly two factors. Since 247 has more than two factors, i.e. 1, 13, 19, 247, it is not a prime number.

Why is 247 not a Prime Number?

To understand whether 247 is prime or composite, it is important to find its factors.

Factors of 247: 1, 13, 19, 247

Since 247 has more than 2 factors, we can say that 247 is not a prime number.

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Is 247 a Composite Number?

Yes, since 247 has more than two factors i.e. 1, 13, 19, 247. In other words, 247 is a composite number because 247 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.
• A perfect square (square number) is always a composite number.
• 1 is neither prime nor composite.

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