Is 171 a prime number?

Is 171 a prime or composite number?

Answer: Number 171 is not a Prime
171 - is not a Prime Number because it has 6 factors: 1, 3, 9, 19, 57, 171
Number should have exactly two factors to be classified as a Prime number
For 171 to be a prime number it must have only two divisors - 1 and itself (171)

See Also

Prime numbers list

NumberIs Prime
No
Yes
158No
No
No
No
162No
Yes
164No
No
166No
Yes
No
No
170No
No
172No
Yes
174No
No
176No
No
178No
Yes
No
Yes
No
No
184No
185No

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 171 a prime or composite number? (The answer is: No). Enter number (e.g. '171') and hit the 'Calculate' button.
Prime numbers are the positive integers having only two factors - 1 and the number itself

FAQ

Is 171 a prime or composite number?

Number 171 is not a Prime

How many factors are in a number 171?

6