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Is 168 a Prime Number?

Is 168 a prime number? How do you know that 168 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 168? Is 168 a prime number? "No, 168 is not a prime number." Since 168 has more than 2 factors i.e. 1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, it is a composite number. Let's study this in detail.

  • Is 168 a prime number? - No
  • Is 168 a composite number? - Yes
  • Prime Factors of 168 - 2, 3, 7
  • Is 168 a perfect square? - No
  • Factors of 168 - 1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168

Is 168 a Prime or Composite?

Is 168 a Prime Number?

No, 168 is not a prime number. The number 168 is divisible by 1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168. For a number to be classified as a prime number, it should have exactly two factors. Since 168 has more than two factors, i.e. 1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168, it is not a prime number.

Is 168 a Prime Number?

Why is 168 not a Prime Number?

To understand whether 168 is composite or prime, it is important to find its factors.

Factors of 168: 1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168

Since 168 has more than 2 factors, we can say that 168 is not a prime number.

☛ Prime Number Calculator

Is 168 a Composite Number?

Yes, since 168 has more than two factors i.e. 1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 56, 84, 168. In other words, 168 is a composite number because 168 has more than 2 factors.

Problem Statements:

Is 168 a Prime Number? No
Is 168 a Composite Number? Yes
Is 168 a Perfect Cube? No
Cube Root of 168 5.517839
Multiples of 168 168, 336, 504, 672, 840, 1008, 1176, 1344, 1512, 1680
Square of 168 28224
Is 168 an Odd Number? No
Is 168 an Even Number? Yes
Square Root of 168 12.961481
Is 168 a Perfect Square? No

Fun Facts:

  • 1 is neither prime nor composite.
  • A palindrome prime is a prime number that when read in reverse order results in the same number. Examples - 10601, 11311, 12421
  • All primes except 2 are odd.

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