Is 189 a prime number?

Is 189 a prime or composite number?

Answer: Number 189 is not a Prime
189 - is not a Prime Number because it has 8 factors: 1, 3, 7, 9, 21, 27, 63, 189
Number should have exactly two factors to be classified as a Prime number
For 189 to be a prime number it must have only two divisors - 1 and itself (189)

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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 189 a prime or composite number? (The answer is: No). Enter number (e.g. '189') 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
174No
No
176No
No
178No
Yes
No
Yes
No
No
184No
No
186No
No
188No
No
190No
Yes
192No
Yes
194No
No
196No
Yes
No
Yes
No
No
202No
No

FAQ

Is 189 a prime or composite number?

Number 189 is not a Prime

How many factors are in a number 189?

8