Is 728 a prime number?

Is 728 a prime or composite number?

Answer: Number 728 is not a Prime
728 - is not a Prime Number because it has 16 factors: 1, 2, 4, 7, 8, 13, 14, 26, 28, 52, 56, 91, 104, 182, 364, 728
Number should have exactly two factors to be classified as a Prime number
For 728 to be a prime number it must have only two divisors - 1 and itself (728)

Prime numbers list

NumberIs Prime
No
714No
715No
716No
717No
718No
Yes
No
No
722No
723No
724No
725No
726No
Yes
728No
No
730No
No
732No
Yes
734No
735No
736No
No
No
739Yes
740No
741No
742No

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 728 a prime or composite number? (The answer is: No). Enter number (e.g. '728') and hit the 'Calculate' button.
Prime numbers are the positive integers having only two factors - 1 and the number itself

FAQ

Is 728 a prime or composite number?

Number 728 is not a Prime

How many factors are in a number 728?

16