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Is 42 a Prime Number?

Is 42 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 42 is a prime number or composite, we need to divide it with numbers from 1 to 42. To find out the answer to this question "is 42 is a prime number" and to gain a detailed understanding of "how and why is 42 a prime number or a composite number?" Let's learn more.

Is 42 a prime number? - No
Is 42 a composite number? - Yes
Is 42 a perfect square? - No
Factors of 42 - 1, 2, 3, 6, 7, 14, 21, 42
Prime Factors of 42 - 2, 3, 7

Is 42 a Prime or Composite?

Is 42 a Prime Number?

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

Is 42 a Prime Number?

Why is 42 not a Prime Number?

To understand whether 42 is prime or composite, it is important to find its factors.

Factors of 42: 1, 2, 3, 6, 7, 14, 21, 42

Since 42 has more than 2 factors, we can say that 42 is not a prime number.

☛ Prime Number Calculator

Is 42 a Composite Number?

Yes, since 42 has more than two factors i.e. 1, 2, 3, 6, 7, 14, 21, 42. In other words, 42 is a composite number because 42 has more than 2 factors.

Problem Statements:

Is 42 a Prime Number?	No
Is 42 a Composite Number?	Yes
Is 42 an Even Number?	Yes
Square Root of 42	6.480741
Square of 42	1764
Multiples of 42	42, 84, 126, 168, 210, 252, 294, 336, 378, 420
Is 42 a Perfect Square?	No
Is 42 a Perfect Cube?	No
Is 42 an Odd Number?	No
Cube Root of 42	3.476022

Fun Facts:

5 is the only prime number having the last digit as 5.
23 is the smallest prime number having consecutive digits.
All primes except 2 are odd.

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