Is 72 a Prime Number?

Is 72 a prime number? How do you know that 72 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 factorsthen it is composite. Nowwhat do you think of 72? Is 72 a prime number? "No72 is not a prime number." Since 72 has more than 2 factors i.e. 12346891218243672it is a composite number. Let's study this in detail.

• Is 72 a prime number? - No
• Is 72 a composite number? - Yes
• Prime Factors of 72 - 23
• Factors of 72 - 12346891218243672
• Is 72 a perfect square? - No

Is 72 a Prime Number?

No72 is not a prime number. The number 72 is divisible by 12346891218243672. For a number to be classified as a prime numberit should have exactly two factors. Since 72 has more than two factorsi.e. 12346891218243672it is not a prime number.

Why is 72 not a Prime Number?

To understand whether 72 is composite or primeit is important to find its factors.

Factors of 72: 12346891218243672

Since 72 has more than 2 factorswe can say that 72 is not a prime number.

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Is 72 a Composite Number?

Yessince 72 has more than two factors i.e. 12346891218243672. In other words72 is a composite number because 72 has more than 2 factors.

Problem Statements:

Is 72 a Prime Number?	No
Is 72 a Composite Number?	Yes
Is 72 a Perfect Square?	No
Is 72 a Perfect Cube?	No
Cube Root of 72	4.160162
Square of 72	5184
Is 72 an Even Number?	Yes
Multiples of 72	72144216288360432504576648720
Is 72 an Odd Number?	No
Square Root of 72	8.485281

Fun Facts:

• 2 is the smallest prime number.
• 23 is the smallest prime number having consecutive digits.
• A semiprime number is a composite number that is the product of exactly two prime numbers. Example - 115 is semiprimesince 115 can be written as 5 × 23.

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