Is 891 a prime number?

Is 891 a prime or composite number?

Answer: Number 891 is not a Prime
891 - is not a Prime Number because it has 10 factors: 1, 3, 9, 11, 27, 33, 81, 99, 297, 891
Number should have exactly two factors to be classified as a Prime number
For 891 to be a prime number it must have only two divisors - 1 and itself (891)

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 891 a prime or composite number? (The answer is: No). Enter number (e.g. '891') 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
876No
877Yes
878No
No
880No
Yes
882No
883Yes
884No
No
886No
Yes
No
No
890No
No
892No
No
894No
895No
No
No
898No
No
No
No
902No
903No
904No
905No

FAQ

Is 891 a prime or composite number?

Number 891 is not a Prime

How many factors are in a number 891?

10