Is 1000 a prime number?

Is 1000 a prime or composite number?

Answer: Number 1000 is not a Prime
1000 - is not a Prime Number because it has 16 factors: 1, 2, 4, 5, 8, 10, 20, 25, 40, 50, 100, 125, 200, 250, 500, 1000
Number should have exactly two factors to be classified as a Prime number
For 1000 to be a prime number it must have only two divisors - 1 and itself (1000)

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 1000 a prime or composite number? (The answer is: No). Enter number (e.g. '1000') 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
985No
986No
987No
988No
No
990No
Yes
992No
No
994No
995No
996No
Yes
998No
No
No
No
1002No
1003No
1004No
1005No
1006No
1007No
1008No
1009Yes
1010No
1011No
1012No
1013Yes
1014No

FAQ

Is 1000 a prime or composite number?

Number 1000 is not a Prime

How many factors are in a number 1000?

16