Is 169 a Prime Number?

Is 169 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 169 is a prime number or composite, we need to divide it with numbers from 1 to 169. To find out the answer to this question "is 169 is a prime number" and to gain a detailed understanding of "how and why is 169 a prime number or a composite number?" Let's learn more.

• Is 169 a prime number? - No
• Is 169 a composite number? - Yes
• Is 169 a perfect square? - Yes
• Factors of 169 - 1, 13, 169
• Prime Factors of 169 - 13

Is 169 a Prime Number?

No, 169 is not a prime number. The number 169 is divisible by 1, 13, 169. For a number to be classified as a prime number, it should have exactly two factors. Since 169 has more than two factors, i.e. 1, 13, 169, it is not a prime number.

Why is 169 not a Prime Number?

To understand whether 169 is composite or prime, it is important to find its factors.

Factors of 169: 1, 13, 169

Since 169 has more than 2 factors, we can say that 169 is not a prime number.

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Is 169 a Composite Number?

Yes, since 169 has more than two factors i.e. 1, 13, 169. In other words, 169 is a composite number because 169 has 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 - (311, 313) are twin prime numbers.
• 2 is the smallest prime number.
• 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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