Is 691 a prime number?

Is 691 a prime or composite number?

Answer: Number 691 is a Prime
691 - is a Prime Number because it has only 2 factors: 1 and 691 (itself)
Number should have exactly two factors to be classified as a Prime number
Since number 691 has exactly 2 factors - it is a Prime number

Related Calculations

Prime numbers list

NumberIs Prime
676No
Yes
678No
No
680No
681No
682No
Yes
684No
685No
686No
687No
688No
No
690No
Yes
692No
693No
694No
695No
696No
No
698No
699No
No
Yes
702No
No
704No
705No

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 691 a prime or composite number? (The answer is: Yes). Enter number (e.g. '691') and hit the 'Calculate' button.
Prime numbers are the positive integers having only two factors - 1 and the number itself

FAQ

Is 691 a prime or composite number?

Number 691 is a Prime

How many factors are in a number 691?

2