Is 357 a prime number?

Is 357 a prime or composite number?

Answer: Number 357 is not a Prime
357 - is not a Prime Number because it has 8 factors: 1, 3, 7, 17, 21, 51, 119, 357
Number should have exactly two factors to be classified as a Prime number
For 357 to be a prime number it must have only two divisors - 1 and itself (357)

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 357 a prime or composite number? (The answer is: No). Enter number (e.g. '357') 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
No
No
No
No
346No
Yes
348No
Yes
350No
No
352No
Yes
354No
355No
356No
No
358No
Yes
No
No
362No
No
364No
365No
366No
Yes
368No
No
370No
No

FAQ

Is 357 a prime or composite number?

Number 357 is not a Prime

How many factors are in a number 357?

8