Is 729 a prime number?

Is 729 a prime or composite number?

Answer: Number 729 is not a Prime
729 - is not a Prime Number because it has 7 factors: 1, 3, 9, 27, 81, 243, 729
Number should have exactly two factors to be classified as a Prime number
For 729 to be a prime number it must have only two divisors - 1 and itself (729)

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About "Is number a Prime" Calculator

This calculator will help you find out if a given number is Prime. For example, it can help you find out is 729 a prime or composite number? (The answer is: No). Enter number (e.g. '729') and hit the 'Calculate' button.
Prime numbers are the positive integers having only two factors - 1 and the number itself

Prime numbers list

NumberIs Prime
714No
715No
716No
717No
718No
Yes
No
721No
722No
723No
724No
725No
726No
Yes
728No
No
730No
No
732No
Yes
734No
735No
736No
No
738No
Yes
740No
741No
742No
Yes

FAQ

Is 729 a prime or composite number?

Number 729 is not a Prime

How many factors are in a number 729?

7