Is 431 a prime number?

Is 431 a prime or composite number?

Answer: Number 431 is a Prime
431 - is a Prime Number because it has only 2 factors: 1 and 431 (itself)
Number should have exactly two factors to be classified as a Prime number
Since number 431 has exactly 2 factors - it is a Prime number

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 431 a prime or composite number? (The answer is: Yes). Enter number (e.g. '431') 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
418No
Yes
420No
Yes
422No
No
424No
425No
426No
427No
428No
No
430No
Yes
432No
Yes
434No
435No
436No
No
438No
Yes
No
No
442No
Yes
444No
445No

FAQ

Is 431 a prime or composite number?

Number 431 is a Prime

How many factors are in a number 431?

2