Is 993 a prime number?

Is 993 a prime or composite number?

Answer: Number 993 is not a Prime
993 - is not a Prime Number because it has 4 factors: 1, 3, 331, 993
Number should have exactly two factors to be classified as a Prime number
For 993 to be a prime number it must have only two divisors - 1 and itself (993)

See Also

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 993 a prime or composite number? (The answer is: No). Enter number (e.g. '993') 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
978No
979No
980No
981No
982No
Yes
984No
985No
986No
987No
988No
No
990No
Yes
992No
No
994No
995No
996No
Yes
998No
No
No
No
1002No
1003No
1004No
1005No
1006No
1007No

FAQ

Is 993 a prime or composite number?

Number 993 is not a Prime

How many factors are in a number 993?

4