Is 225 a prime number?

Is 225 a prime or composite number?

Answer: Number 225 is not a Prime
225 - is not a Prime Number because it has 9 factors: 1, 3, 5, 9, 15, 25, 45, 75, 225
Number should have exactly two factors to be classified as a Prime number
For 225 to be a prime number it must have only two divisors - 1 and itself (225)

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 225 a prime or composite number? (The answer is: No). Enter number (e.g. '225') 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
210No
Yes
212No
No
214No
215No
No
No
218No
No
220No
No
No
Yes
224No
No
226No
Yes
228No
Yes
230No
No
232No
Yes
No
No
236No
No
No
Yes

FAQ

Is 225 a prime or composite number?

Number 225 is not a Prime

How many factors are in a number 225?

9