Is 397 a prime number?

Is 397 a prime or composite number?

Answer: Number 397 is a Prime
397 - is a Prime Number because it has only 2 factors: 1 and 397 (itself)
Number should have exactly two factors to be classified as a Prime number
Since number 397 has exactly 2 factors - it is a Prime number

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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 397 a prime or composite number? (The answer is: Yes). Enter number (e.g. '397') 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
382No
Yes
384No
385No
386No
No
388No
Yes
390No
No
392No
393No
394No
395No
396No
Yes
398No
No
400No
Yes
402No
No
404No
405No
406No
No
408No
Yes
410No
No

FAQ

Is 397 a prime or composite number?

Number 397 is a Prime

How many factors are in a number 397?

2