Is 421 a prime number?

Is 421 a prime or composite number?

Answer: Number 421 is a Prime
421 - is a Prime Number because it has only 2 factors: 1 and 421 (itself)
Number should have exactly two factors to be classified as a Prime number
Since number 421 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 421 a prime or composite number? (The answer is: Yes). Enter number (e.g. '421') 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
406No
No
408No
Yes
410No
No
412No
No
414No
No
No
No
418No
Yes
420No
Yes
422No
No
424No
425No
426No
427No
428No
429No
430No
Yes
432No
Yes
434No
435No

FAQ

Is 421 a prime or composite number?

Number 421 is a Prime

How many factors are in a number 421?

2