Is 511 a prime number?

Is 511 a prime or composite number?

Answer: Number 511 is not a Prime
511 - is not a Prime Number because it has 4 factors: 1, 7, 73, 511
Number should have exactly two factors to be classified as a Prime number
For 511 to be a prime number it must have only two divisors - 1 and itself (511)

See Also

Prime numbers list

NumberIs Prime
496No
497No
498No
Yes
No
No
502No
Yes
No
505No
506No
No
508No
Yes
510No
No
No
No
514No
515No
516No
No
518No
519No
520No
Yes
522No
Yes
524No
No

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 511 a prime or composite number? (The answer is: No). Enter number (e.g. '511') and hit the 'Calculate' button.
Prime numbers are the positive integers having only two factors - 1 and the number itself

FAQ

Is 511 a prime or composite number?

Number 511 is not a Prime

How many factors are in a number 511?

4