Is 80 a prime number?

Is 80 a prime or composite number?

Answer: Number 80 is not a Prime
80 - is not a Prime Number because it has 10 factors: 1, 2, 4, 5, 8, 10, 16, 20, 40, 80
Number should have exactly two factors to be classified as a Prime number
For 80 to be a prime number it must have only two divisors - 1 and itself (80)

See Also

Prime numbers list

NumberIs Prime
No
No
Yes
No
No
No
Yes
No
Yes
No
No
No
No
No
Yes
No
No
No
Yes
No
No
No
No
No
Yes
No
No
No
No
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 80 a prime or composite number? (The answer is: No). Enter number (e.g. '80') and hit the 'Calculate' button.
Prime numbers are the positive integers having only two factors - 1 and the number itself

FAQ

Is 80 a prime or composite number?

Number 80 is not a Prime

How many factors are in a number 80?

10