Q: Is 321,402 a Prime Number?

 A: No, 321,402 is not a prime number.

Why is 321,402 not a prime number?

A prime number is a natural number, greater than one, that can only be divided by 1 and itself.

The number 321402 can be evenly divided by 1 2 3 6 17 23 34 46 51 69 102 137 138 274 391 411 782 822 1,173 2,329 2,346 3,151 4,658 6,302 6,987 9,453 13,974 18,906 53,567 107,134 160,701 and 321,402, with no remainder.

Since 321,402 cannot be divided by just 1 and 321,402, it is not a prime number.


More Examples

Number 321,400321,401321,403321,404
Prime? nonoyesno
  • All positive natural numbers are either a prime number or a composite number (except the number 1, which is neither).

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