Is 1321 a Prime Number?

Is 1321 a prime number? How do you know that 1321 is prime or composite? Let us first understand what makes a number 'prime'. If a number has only 2 factors (1 and the number itself), then it is a prime number. If the number has more than 2 factors, then it is composite. Now, what do you think of 1321? Is 1321 a prime number? "Yes, 1321 is a prime number." Since 1321 has only 2 factors i.e. 1 and 1321, it is a prime number. Let's study this in detail.

• Is 1321 a prime number? - Yes
• Is 1321 a composite number? - No
• Prime Factors of 1321 - 1321
• Factors of 1321 - 1, 1321
• Is 1321 a perfect square? - No

Is 1321 a Prime Number?

Yes, 1321 is a prime number. The number 1321 is divisible only by 1 and the number itself. For a number to be classified as a prime number, it should have exactly two factors. Since 1321 has exactly two factors, i.e. 1 and 1321, it is a prime number.

How is 1321 a Prime Number?

To understand whether 1321 is composite or prime, it is important to find its factors.

Factors of 1321: 1, 1321

Therefore, we can say that 1321 is a prime number since it has only 2 factors.

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Is 1321 a Composite Number?

No, since 1321 has only two factors, i.e. 1 and 1321. In other words, 1321 is not a composite number because 1321 doesn’t have more than 2 factors.

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Fun Facts:

• A pair of prime numbers X and Y are said to be twin prime numbers if the absolute difference between them is 2. Example - (41, 43) are twin prime numbers.
• All primes except 2 are odd.
• Prime numbers greater than 5 can be represented in the form of either 6n + 1 or 6n - 1. Example - 89 is a prime number and it can be written as 89 = 6 × 15 - 1

☛ Also Check:

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• Is 1003 a Prime Number? - No
• Is 941 a Prime Number? - Yes